:root{
  --bg: #ffffff;
  --text: #0F1724;
  --muted: #6B7280;
  --accent: #0EA5A4;
  --card: #F8FAFC;
  --border: #E6E7EA;
  --radius: 12px;
  --gap: 24px;
  --max-width: 1100px;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  -webkit-font-smoothing:antialiased;font-smoothing:antialiased;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
  font-size:16px;
}

/* Container */
.container{
  width:94%;
  max-width:var(--max-width);
  margin:0 auto;
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.brand-logo{width:40px;height:40px}
.brand-name{font-weight:600}

/* Nav */
.main-nav{display:flex;gap:18px;align-items:center}
.main-nav a{color:var(--muted);text-decoration:none;font-weight:600}
.cta-link{color:var(--accent);font-weight:700}

/* Mobile nav toggle */
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0;border-radius:2px}

/* Hero */
.hero{padding:64px 0}
.hero-grid{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center}
.hero-title{font-size:2.2rem;margin:0 0 12px;line-height:1.05}
.hero-sub{color:var(--muted);margin:0 0 20px}
.hero-ctas{display:flex;gap:12px;margin-bottom:18px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:10px;text-decoration:none;font-weight:600}
.btn-primary{background:var(--accent);color:white}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline{background:transparent;border:1px solid var(--accent);color:var(--accent)}

.hero-features{margin:20px 0 0;padding:0;list-style:none;color:var(--muted)}
.hero-media img{width:100%;border-radius:12px;border:1px solid var(--border)}

/* Sections */
.section{padding:64px 0}
.section-alt{background:#FBFCFD}
.section-title{font-size:1.25rem;margin:0 0 6px;font-weight:700}
.section-sub{color:var(--muted);margin:0 0 20px}
.lead{color:var(--muted);margin-bottom:12px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.card{background:var(--card);border:1px solid var(--border);padding:18px;border-radius:12px}
.card h3{margin:0 0 8px}
.card-list{margin:10px 0 0;padding-left:18px;color:var(--muted)}

/* Portfolio */
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.portfolio-card{display:block;border-radius:12px;overflow:hidden;text-decoration:none;border:1px solid var(--border);background:white}
.portfolio-card img{width:100%;height:160px;object-fit:cover;display:block}
.portfolio-card-body{padding:12px}
.portfolio-card h3{margin:0 0 6px;font-size:1rem}
.portfolio-card p{color:var(--muted);margin:0}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 360px;gap:36px;align-items:start}
.about-list{margin-top:12px;color:var(--muted)}
.about-contact .contact-actions{display:flex;gap:8px;margin-top:12px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 420px;gap:28px;align-items:start}
.contact-card{background:var(--card);border:1px solid var(--border);padding:20px;border-radius:12px}
.contact-form{display:flex;flex-direction:column;gap:12px;padding:18px;border-radius:12px;border:1px solid var(--border);background:white}
.contact-form label{display:flex;flex-direction:column;font-weight:600;color:var(--muted);font-size:0.9rem}
.contact-form input, .contact-form textarea{margin-top:8px;padding:10px;border-radius:8px;border:1px solid var(--border);font-size:1rem}
.form-cta{display:flex;gap:12px;align-items:center;margin-top:8px}
.form-note{font-size:0.85rem;color:var(--muted);margin-top:8px}

/* Footer */
.site-footer{padding:28px 0;border-top:1px solid var(--border);margin-top:40px}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.footer-logo{width:36px}
.footer-nav{display:flex;gap:12px}
.footer-nav a{color:var(--muted);text-decoration:none}

/* Utilities */
.small{font-size:0.95rem;color:var(--muted)}
.lead{font-size:1rem}
.steps{padding-left:18px;color:var(--muted)}

/* Responsive */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .main-nav{position:fixed;right:16px;top:66px;background:white;border:1px solid var(--border);padding:12px;border-radius:10px;display:none;flex-direction:column;gap:12px}
  .main-nav.show{display:flex}
}

@media (max-width:560px){
  .portfolio-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .hero-title{font-size:1.6rem}
  .header-inner{padding:12px 0}
}