:root{
  --bg: #f6f7fb;
  --card: #ffffff;
  --muted: #6b7280;
  --accent: #ff8a00;
  --text: #0f172a;
  --glass: rgba(255,255,255,0.6);
  --maxw: 1100px;
  --radius: 12px;
  --shadow: 0 6px 18px rgba(15,23,42,0.06);
  --accent-2: #e67e00;
  --transition: 220ms cubic-bezier(.2,.9,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter",system-ui,Segoe UI,Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  background:linear-gradient(180deg,#f8fafc 0%,var(--bg) 100%);
  color:var(--text);
  line-height:1.45;
  font-size:16px;
}

/* Container */
.container{
  width:95%;
  max-width:var(--maxw);
  margin:0 auto;
}

/* Skip link */
.skip-link{
  position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip-link:focus{
  left:1rem;top:1rem;width:auto;height:auto;background:#000;color:#fff;padding:.5rem .75rem;border-radius:6px;z-index:9999;
}

/* Header */
.site-header{
  backdrop-filter: blur(6px);
  background:rgba(255,255,255,0.02);
  position:sticky;top:0;z-index:60;border-bottom:1px solid rgba(15,23,42,0.04);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
.brand a{font-weight:700;color:var(--text);text-decoration:none;font-size:1.15rem}
.brand span{color:var(--accent)}
.primary-nav ul{display:flex;gap:1rem;list-style:none}
.primary-nav a{color:var(--muted);text-decoration:none;padding:.45rem .6rem;border-radius:8px;transition:color var(--transition),background var(--transition)}
.primary-nav a:hover{color:var(--text);background:rgba(255,138,0,0.08)}

/* Nav toggle (mobile) */
.nav-toggle{display:none;background:none;border:0;padding:.25rem}
.hamburger{width:22px;height:2px;background:var(--text);display:block;position:relative}
.hamburger::before,.hamburger::after{content:"";width:22px;height:2px;background:var(--text);position:absolute;left:0;transition:transform var(--transition)}
.hamburger::before{top:-6px}.hamburger::after{top:6px}

/* Hero */
.hero{padding:3.5rem 0;display:grid;align-items:center}
.hero-grid{display:grid;grid-template-columns:1fr 340px;gap:2rem;align-items:center}
.hero-text h1{font-size:2rem;margin-bottom:.5rem}
.lead{color:var(--muted);margin-bottom:.8rem}
.hero-ctas{display:flex;gap:.75rem;margin-bottom:.8rem}
.btn{display:inline-block;padding:.6rem 1rem;border-radius:9px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;transition:transform var(--transition),box-shadow var(--transition)}
.btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(255,138,0,0.12)}
.btn.outline{background:transparent;border:1px solid rgba(15,23,42,0.06);color:var(--text)}

/* contact-inline */
.contact-inline{list-style:none;margin-top:1rem;color:var(--muted);display:flex;gap:1rem;flex-wrap:wrap}
.contact-inline a{color:var(--accent);text-decoration:none}

/* Hero photo */
.hero-photo img{width:100%;height:auto;border-radius:12px;box-shadow:var(--shadow);object-fit:cover;display:block}

/* Sections */
.section{padding:3rem 0}
.section h2{text-align:center;margin-bottom:1rem;font-size:1.4rem}
.muted{color:var(--muted)}

/* Cards grid */
.cards-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--card);padding:1.15rem;border-radius:var(--radius);box-shadow:var(--shadow)}
.card h3{margin-bottom:.25rem}
.meta{font-size:.9rem;color:var(--muted);margin-bottom:.6rem}
.sourced.small{font-size:.8rem;color:var(--muted);margin-top:.6rem}

/* Projects */
.projects-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.project-card{background:var(--card);padding:1rem;border-radius:10px;box-shadow:var(--shadow)}
.project-card .muted{font-size:.9rem}

/* Skills */
.skills-list{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}
.skills-list span{background:linear-gradient(180deg,#fff,#fbfbfb);padding:.5rem .8rem;border-radius:999px;border:1px solid rgba(15,23,42,0.04);font-weight:600;color:var(--muted)}

/* contact form */
.contact-form{max-width:720px;margin:0 auto;display:grid;gap:.6rem}
.contact-form label{font-size:.9rem}
.contact-form input,.contact-form textarea{padding:.8rem;border-radius:8px;border:1px solid rgba(15,23,42,0.06);background:#fff}
.contact-form button{margin-top:.4rem}

/* Footer */
.site-footer{padding:1rem 0;border-top:1px solid rgba(15,23,42,0.04);background:transparent;text-align:center;color:var(--muted)}
.small{font-size:.875rem}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(10px);transition:opacity 520ms ease,transform 520ms ease}
.reveal.visible{opacity:1;transform:none}

/* Toast */
#toast{position:fixed;right:1rem;bottom:1rem;background:#111;color:#fff;padding:.6rem .9rem;border-radius:8px;opacity:0;transform:translateY(8px);transition:opacity 260ms,var(--transition)}
#toast.show{opacity:1;transform:none}

/* Responsive */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr 260px}
  .primary-nav ul{gap:.5rem}
}
@media (max-width:768px){
  .primary-nav{position:fixed;right:1rem;top:64px;background:rgba(255,255,255,0.98);padding:1rem;border-radius:10px;display:none;box-shadow:var(--shadow)}
  .primary-nav.open{display:block}
  .nav-toggle{display:block}
  .hero-grid{grid-template-columns:1fr}
  .hero-photo{order:-1}
  .contact-inline{flex-direction:column;gap:.35rem}
}