:root{
  --bg:#0f1114;
  --card:#0f1720;
  --muted:#9aa4b2;
  --accent:#6ee7b7;
  --text:#ecf0f1;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);scroll-behavior:smooth}

/* NAVBAR */
.nav-fixed{position:fixed;top:0;left:0;right:0;z-index:50;background:linear-gradient(180deg,rgba(15,17,20,0.6),rgba(15,17,20,0.25));backdrop-filter: blur(6px)}
nav{max-width:1100px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:600;color:var(--text);text-decoration:none}
.nav-links{list-style:none;display:flex;gap:18px;margin:0;padding:0}
.nav-links a{color:var(--muted);text-decoration:none;padding:6px 8px;border-radius:6px}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,0.02)}

/* SPLASH */
.splash{height:100vh;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.splash-bg{position:absolute;inset:0;background-image:url('hero.jpg');background-size:cover;background-position:center;background-attachment:fixed;filter:brightness(0.55);transform:translateZ(0);}
.splash-content{position:relative;z-index:2;text-align:center;padding:20px}
.splash h1{font-size:clamp(32px,6vw,72px);margin:0}

main{max-width:1100px;margin:0 auto;padding:80px 20px 120px}
.section{padding:60px 0;border-bottom:1px solid rgba(255,255,255,0.03)}
h2{margin:0 0 18px;font-size:28px}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.img-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.img{background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));height:120px;display:flex;align-items:center;justify-content:center;color:var(--muted);border-radius:8px}

/* AFFILIATIONS */
.two-cols{display:flex;gap:40px}
.two-cols ul{margin:6px 0 0;padding-left:18px;color:var(--muted)}

/* PROJECTS */
.project-box{background:linear-gradient(180deg,rgba(255,255,255,0.01),rgba(255,255,255,0.005));padding:18px;border-radius:10px;margin-bottom:20px}
.project-title{margin:0 0 12px}
.project-body{display:flex;gap:20px}
.project-left{width:45%}
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.demo{background:#0b1320;border-radius:8px;height:100px;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.project-right{flex:1;color:var(--muted)}

/* Ensure images inside demo tiles and the about grid fit and are clipped */
.demo img{width:100%;height:100%;object-fit:cover;display:block;border-radius:8px}
.img{background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));height:120px;display:flex;align-items:center;justify-content:center;color:var(--muted);border-radius:8px;overflow:hidden}
.img img{width:100%;height:100%;object-fit:cover;display:block}

/* SKILLS */
.three-cols{display:flex;gap:20px}
.three-cols div{flex:1;background:rgba(255,255,255,0.01);padding:14px;border-radius:8px}
.three-cols ul{margin:8px 0 0;padding-left:18px;color:var(--muted)}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 280px;gap:24px;align-items:center}
.contact-links a{color:var(--muted);text-decoration:none}
.contact-image{height:160px;background:linear-gradient(90deg,#343938,#274440);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.contact-image img{width:100%;height:100%;object-fit:cover;display:block;border-radius:8px}

/* Responsive */
@media (max-width:900px){
  .about-grid{grid-template-columns:1fr}
  .project-body{flex-direction:column}
  .nav-links{display:none}
  main{padding-top:40px}
  .two-cols{flex-direction:column}
  .three-cols{flex-direction:column}
  .contact-grid{grid-template-columns:1fr}

  /* Make project image grid take full width on small screens */
  .project-left{width:100%}
  .project-right{width:100%;margin-top:12px}
  /* slightly taller demo tiles on mobile for better visibility */
  .demo{height:140px}
  /* keep demo-grid 2 columns on small screens; change to 1 column on very small screens */
  .demo-grid{grid-template-columns:repeat(2,1fr)}
  @media (max-width:420px){
    .demo-grid{grid-template-columns:1fr}
  }
}

/* small helpers */
.links{color:var(--muted);font-size:14px}
a:visited{color:var(--muted)}
a:hover{color:var(--text)}
a:active{color:var(--accent)}

button{
  background:var(--muted);
  border:none;
  color:var(--bg);
  padding:10px 16px;
  border-radius:6px;
  cursor:pointer;
  font-weight:600;
  transition:background 0.3s;
}