/* CAD Portfolio — minimal responsive CSS */
:root{
  --bg:#f8fafc;
  --card:#ffffff;
  --muted:#64748b;
  --accent:#0ea5e9;
  --accent-2:#7dd3fc;
  --text:#04263b;
  --radius:10px;
  --container:1100px;
}
*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,system-ui,Roboto,Arial,Helvetica,sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.container{max-width:var(--container);margin:0 auto;padding:32px}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:8px 0}
.brand{font-weight:700;color:var(--text);text-decoration:none}
.main-nav a{margin-left:18px;color:var(--text);text-decoration:none;transition:color .2s ease}
.nav-dropdown{position:relative;display:inline-flex;align-items:center;margin-left:18px}
.nav-trigger{background:transparent;border:0;font:inherit;color:var(--text);cursor:pointer;transition:color .2s ease;padding:6px 0}
.dropdown-menu{position:absolute;top:calc(100% + 10px);left:-10px;min-width:220px;background:#ffffff;border:1px solid rgba(2,6,23,0.08);border-radius:10px;box-shadow:0 12px 30px rgba(2,6,23,0.12);padding:8px;display:grid;gap:4px;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .2s ease,transform .2s ease}
.dropdown-menu a{margin:0;padding:8px 10px;border-radius:8px;color:var(--text);text-decoration:none}
.dropdown-menu a:hover{background:rgba(14,165,233,0.12)}
.nav-dropdown:focus-within .dropdown-menu,.nav-dropdown:hover .dropdown-menu{opacity:1;transform:translateY(0);pointer-events:auto}
.site-header{backdrop-filter:saturate(120%) blur(6px);background:rgba(255,255,255,0.6);border-bottom:1px solid rgba(2,6,23,0.04)}

/* Hero */
.hero{padding:64px 0;min-height:calc(100vh - 72px);display:flex;align-items:center}
.hero-inner{display:flex;gap:32px;align-items:center;width:100%}
.hero-copy{flex:1}
.hero h1{font-size:2.6rem;margin:0 0 16px}
.lead{color:var(--muted);margin:0 0 18px}
.cta-row{margin-top:8px}
.btn{display:inline-block;padding:10px 16px;border-radius:8px;text-decoration:none;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease}
.btn.primary{background:var(--accent);color:white}
.btn.ghost{background:transparent;border-color:rgba(2,6,23,0.06);color:var(--text);margin-left:8px}
.hero-mockup{width:420px;flex:0 0 420px}

/* Projects */
.section-title{font-size:1.25rem;margin:0 0 12px}
.section-sub{color:var(--muted);margin:0 0 24px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border-radius:10px;overflow:hidden;box-shadow:0 6px 18px rgba(2,6,23,0.06);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.card-media{height:140px;display:block}
.card-body{padding:14px}
.card h3{margin:0 0 8px;font-size:1rem}
.card .muted{color:var(--muted);font-size:.9rem;margin:0 0 12px}
.card-link{color:var(--accent);text-decoration:none;font-weight:600}

/* About */
.about{padding:48px 0}
.about-grid{display:grid;grid-template-columns:1fr 340px;gap:28px;align-items:start}
.about-media{display:flex;justify-content:flex-end}
.about-image{width:320px;max-width:100%;border-radius:16px;overflow:hidden;box-shadow:0 14px 30px rgba(2,6,23,0.12)}
.about-image svg,.about-image img{display:block;width:100%;height:auto}
.muted{color:var(--muted)}

.resume-preview{margin-top:28px}
.resume-frame{border-radius:14px;overflow:hidden;border:1px solid rgba(2,6,23,0.08);box-shadow:0 10px 24px rgba(2,6,23,0.08)}
.resume-frame iframe{width:100%;height:520px;border:0;background:#ffffff}

/* Contact */
.contact{padding:8px 0 32px}
.contact .container{text-align:center}
.contact .section-sub{margin-bottom:10px}
.contact-info{margin:6px 0 0}
.contact-info a{color:var(--accent)}

/* Footer */
.site-footer{border-top:1px solid rgba(2,6,23,0.04);background:transparent}
.footer-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.foot-nav a{margin-left:12px;color:var(--muted);text-decoration:none}

/* Page hero */
.page-hero{padding:48px 0}
.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.18em;color:var(--muted);margin:0 0 8px}

/* Animations */
main > section{animation:fadeUp .6s ease both}
.hero{animation:fadeUp .6s ease both}
.hero-mockup{animation:fadeUp .8s ease both}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(2,6,23,0.12)}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(2,6,23,0.12)}
.main-nav a:hover,.foot-nav a:hover{color:var(--accent)}

@keyframes fadeUp{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:translateY(0)}
}

/* Responsive */
@media (max-width:1000px){
  .hero-inner{flex-direction:column}
  .hero-mockup{width:100%;flex:auto}
  .grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
}
@media (max-width:600px){
  .grid{grid-template-columns:1fr}
  .container{padding:20px}
  .brand{font-size:.95rem}
  .hero h1{font-size:1.8rem}
}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* utility */
.text-center{text-align:center}
.small{font-size:.9rem;color:var(--muted)}