:root{
  --accent: #2e7d32;
  --accent-2: #1b5e20;
  --bg: #f7fbf7;
  --muted: #666;
  --max-width: 1100px;
  --radius: 10px;
  --gap: 1rem;
  --container-pad: 1rem;
  --text: #111;
  --card-bg: #ffffff;
}

/* Reset basics */
*{box-sizing:border-box}
html,body{height:100%; margin:0; font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; color:var(--text); background:var(--bg); line-height:1.5; -webkit-font-smoothing:antialiased;}

/* Container */
.container{max-width:var(--max-width);margin:0 auto;padding:var(--container-pad)}

/* Header / nav */
.site-header{background:var(--card-bg);box-shadow:0 1px 6px rgba(0,0,0,.05);position:sticky;top:0;z-index:40}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0;gap:.5rem}
.brand{text-decoration:none;font-weight:700;color:var(--accent);font-size:1.1rem}
.nav{display:block}
.nav-list{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.nav-list a{display:inline-block;padding:.4rem .6rem;border-radius:8px;text-decoration:none;color:var(--text)}
.nav-list a:hover{background:#f0fff0}
.nav-list a.active{font-weight:600;color:var(--accent-2)}
.nav-toggle{display:none;background:none;border:0;padding:.3rem;border-radius:6px;cursor:pointer;z-index:60}

/* Hamburger styling */
.hamburger{width:22px;height:2px;background:var(--text);display:inline-block;position:relative}
.hamburger::before,.hamburger::after{content:'';position:absolute;left:0;width:22px;height:2px;background:var(--text)}
.hamburger::before{top:-7px}
.hamburger::after{top:7px}

/* Hero */
.hero{display:grid;grid-template-columns:1fr;gap:1.25rem;padding:2.25rem 0;align-items:center}
.hero-inner{padding:1rem 0}
.hero-title{font-size:1.8rem;margin:0 0 .5rem}
.hero-sub{color:var(--muted);max-width:70ch}
.hero-actions{margin-top:1rem;display:flex;gap:.75rem}
.btn{display:inline-block;padding:.6rem 1rem;border-radius:10px;text-decoration:none;border:0;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}
.btn-outline{background:transparent;border:2px solid var(--accent);color:var(--accent)}

/* Hero image / profile image */
.hero-image{width:250px;height:250px;background-size:cover;background-position:center;border-radius:50%;margin:20px auto;box-shadow:0 4px 12px rgba(0,0,0,0.2)}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}
.card{background:var(--card-bg);padding:1rem;border-radius:var(--radius);box-shadow:0 6px 18px rgba(0,0,0,.04);transition: transform 0.3s ease, box-shadow 0.3s ease;}
.card:hover{transform: translateY(-8px); box-shadow:0 12px 24px rgba(0,0,0,0.15);}

/* Projects grid */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-top:1rem}
.project{display:flex;flex-direction:column;background:var(--card-bg);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;box-shadow:0 6px 18px rgba(0,0,0,.04);transition: transform 0.3s ease, box-shadow 0.3s ease;}
.project:hover{transform: translateY(-8px) scale(1.02); box-shadow:0 12px 24px rgba(0,0,0,0.15);}
.project-thumb{height:140px;background-size:cover;background-position:center;transition: transform 0.3s ease;}
.project:hover .project-thumb{transform: scale(1.05);}
.project-body{padding:.75rem}
.project-media img{width:100%;border-radius:10px;display:block}

/* Content sections */
.content{padding:1.5rem 0}
.about-grid{display:grid;grid-template-columns:220px 1fr;gap:1rem;align-items:center}
.about-photo img{width:100%;border-radius:12px;display:block}
.skills-list{display:flex;gap:.5rem;flex-wrap:wrap;padding:0;list-style:none;margin:0}
.skills-list li{background:var(--card-bg);padding:.4rem .6rem;border-radius:999px;box-shadow:0 6px 18px rgba(0,0,0,.03)}
.timeline ol{padding-left:1rem}

/* Contact form */
.contact-form{display:grid;gap:.6rem;max-width:700px;margin:0 auto}
.contact-form input,.contact-form textarea{padding:.6rem;border-radius:8px;border:1px solid #ddd;background:transparent;width:100%}
.contact-form button{padding:.6rem 1rem;border-radius:8px;border:0;background:var(--accent);color:#fff;cursor:pointer}
.form-message{margin-top:.5rem;color:var(--accent-2)}

/* Footer */
.site-footer{background:var(--card-bg);padding:.9rem 0;border-top:1px solid #eee;margin-top:2rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}

/* Responsive adjustments */
@media (max-width:900px){
  .about-grid{grid-template-columns:1fr}
  .hero-image{height:220px}
}

@media (max-width:768px){
  .nav-list{
    display:none;
    position:absolute;
    right:1rem;
    top:64px;
    background:var(--card-bg);
    padding:1rem;
    border-radius:10px;
    box-shadow:0 8px 30px rgba(0,0,0,.08);
    flex-direction:column;
  }
  .nav-toggle{display:inline-block}
  
  /* Show nav when open */
  .nav.open .nav-list{
    display:flex !important;
  }
  
  .nav.open .nav-list a{
    padding:.5rem 1rem;
    width:100%;
    text-align:left;
  }
  
  .nav-list{z-index:50}

  .hero-title{font-size:1.4rem}
  .header-inner{gap:.5rem}
  .hero-actions{flex-direction:column;gap:.5rem;align-items:center}
  .cards,.projects-grid{grid-template-columns:1fr}
  .about-grid{text-align:center}
  .about-photo{margin:0 auto}
  .contact-form button{width:100%}
  .footer-inner{flex-direction:column;align-items:center;gap:.5rem;text-align:center}
  .hero-image{width:180px;height:180px}
}

@media (max-width:480px){
  .hero-title{font-size:1.2rem}
  .hero-sub{font-size:0.9rem}
  .btn{padding:.5rem .8rem}
  .hero-image{width:150px;height:150px}
}