/* Basic reset and variables */
:root{
  --max-width:1100px;
  --accent:#0066ff;
  --muted:#666;
  --bg:#f7f8fb;
  --card:#fff;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial;
  color:#222;
  background:var(--bg);
  line-height:1.5;
}

/* Utility */
.container{max-width:var(--max-width);margin:0 auto;padding:1rem}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{font-weight:700;text-decoration:none;font-size:1.25rem;color:inherit}

/* Header & nav */
.site-header{background:white;box-shadow:0 1px 4px rgba(0,0,0,0.06);position:sticky;top:0;z-index:50}
.primary-nav ul{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.primary-nav a{text-decoration:none;color:var(--muted);padding:0.5rem}
.primary-nav a[aria-current="page"]{color:var(--accent);font-weight:600}

/* Nav toggle (mobile) */
.nav-toggle{display:none;background:none;border:0;padding:0.5rem}
.hamburger{display:block;width:22px;height:2px;background:currentColor;position:relative}
.hamburger::before,.hamburger::after{content:"";position:absolute;left:0;width:22px;height:2px;background:currentColor}
.hamburger::before{top:-7px}
.hamburger::after{top:7px}

/* Hero */
.hero{padding:3rem 0;background:linear-gradient(180deg,white,transparent)}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center}
.hero h1{font-size:2rem;margin:0 0 0.5rem}
.btn{display:inline-block;padding:0.6rem 1rem;background:var(--accent);color:white;border-radius:6px;text-decoration:none}

/* Features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem}
.feature{background:var(--card);padding:1rem;border-radius:10px;box-shadow:0 4px 12px rgba(8,8,20,0.03)}

/* Slider */
.slider{position:relative;overflow:hidden;margin-top:1rem}
.slides{display:flex;transition:transform 400ms ease}
.slide{min-width:100%;flex-shrink:0}
.slide img{width:100%;height:320px;object-fit:cover;border-radius:10px}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,0.9);border:0;padding:0.5rem;border-radius:6px;cursor:pointer}
.prev{left:10px}
.next{right:10px}

/* About & cards */
.about-grid{display:grid;grid-template-columns:160px 1fr;gap:1rem;align-items:center}
.avatar{width:150px;border-radius:10px}
.cards{display:flex;gap:1rem;margin-top:1rem}
.card{background:var(--card);padding:1rem;border-radius:8px;flex:1}

/* Contact form */
.contact-page form{max-width:700px;background:var(--card);padding:1rem;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.04)}
.form-row{margin-bottom:0.75rem;display:flex;flex-direction:column}
label{font-weight:600;margin-bottom:0.25rem}
input,textarea{padding:0.6rem;border:1px solid #ddd;border-radius:6px;font:inherit}
.error{color:#b00020;font-size:0.9rem;height:1em;display:block}

/* Footer */
.site-footer{padding:1rem 0;text-align:center;color:var(--muted)}

/* Responsive (mobile-first) */
@media (max-width:800px){
  .hero-inner{grid-template-columns:1fr; text-align:center}
  .features{grid-template-columns:1fr}
  .primary-nav{position:absolute;left:0;right:0;top:64px;background:white;display:none}
  .primary-nav.open{display:block}
  .primary-nav ul{flex-direction:column;padding:1rem}
  .nav-toggle{display:block}
  .slides img{height:220px}
}

img {
  max-width: 200px; /* limits width */
  height: auto;     /* keeps proportions */
  border-radius: 10px; /* optional: rounded corners */
}