:root{
  --bg:#0f1226;
  --panel:#151836;
  --panel-2:#1b1f47;
  --text:#e7e9ff;
  --muted:#9aa0c3;
  --brand:#7A3CE8;
  --brand-2:#4A90E2;
  --accent:#00e5ff;
  --hot:#ff4fa3;
  --shadow:0 10px 30px rgba(0,0,0,.25);
}
:root.light{
  --bg:#f6f7ff;
  --panel:#ffffff;
  --panel-2:#eef0ff;
  --text:#1e224b;
  --muted:#7178a6;
  --shadow:0 8px 20px rgba(7,12,62,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.muted{color:var(--muted)}

/* Canvas bg */
#bgParticles{position:fixed;inset:0;z-index:-1;background:radial-gradient(1200px 500px at 10% 10%, rgba(122,60,232,.15), transparent), radial-gradient(1000px 600px at 90% 20%, rgba(74,144,226,.14), transparent)}

/* Navbar */
.navbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:linear-gradient(180deg,rgba(17,20,50,.85),rgba(17,20,50,.35));backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.navbar .logo{height:34px;margin-right:10px}
.nav-left{display:flex;align-items:center;gap:10px}
.brand{font-weight:800;letter-spacing:.8px}
.nav-right{display:flex;align-items:center;gap:10px}
.select{background:var(--panel);border:1px solid rgba(255,255,255,.08);color:var(--text);padding:8px 10px;border-radius:10px}

/* Buttons */
.btn{display:inline-block;padding:12px 20px;border-radius:14px;font-weight:600;transition:transform .2s ease, box-shadow .2s ease, background .2s ease;border:1px solid transparent;will-change:transform}
.btn.primary{background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:0 8px 20px rgba(122,60,232,.35)}
.btn.secondary{background:transparent;border-color:rgba(255,255,255,.18)}
.btn.ghost{background:transparent;border-color:rgba(255,255,255,.1)}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.25)}
/* Ripple */
.btn.ripple{position:relative;overflow:hidden}
.btn.ripple span.ripple-ink{position:absolute;border-radius:50%;transform:scale(0);animation:ripple .6s linear;background:rgba(255,255,255,.35);pointer-events:none}
@keyframes ripple{to{transform:scale(6);opacity:0}}

/* Hero */
.hero{position:relative;display:grid;place-items:center;min-height:70vh;padding:80px 20px}
.hero-content{text-align:center;animation:fadeInUp .8s ease both}
.hero h1{font-size:clamp(28px,5vw,54px);line-height:1.15;margin-bottom:10px;background:linear-gradient(90deg,#fff,var(--accent),var(--hot));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);max-width:720px;margin:0 auto 22px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Section */
.section{padding:60px 18px;max-width:1200px;margin:0 auto}
.section h2{font-size:clamp(24px,3.5vw,36px);margin-bottom:20px}

/* Projects grid */
.projects-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:1100px){.projects-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:780px){.projects-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.projects-grid{grid-template-columns:1fr}}
.project-card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:16px;box-shadow:var(--shadow);padding:16px;transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;transform-style:preserve-3d}
.project-card:hover{transform:translateY(-6px) rotate3d(1,-1,0,6deg);border-color:rgba(0,229,255,.3)}
.thumb{aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:linear-gradient(135deg,rgba(122,60,232,.25),rgba(74,144,226,.25));display:grid;place-items:center}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(0,229,255,.1);color:var(--accent);font-size:12px;margin:8px 0}
.card-title{font-weight:700;margin:6px 0 2px}
.card-actions{display:flex;gap:8px;flex-wrap:wrap}

/* CTA Final */
.cta-final{padding:70px 18px;display:grid;place-items:center;text-align:center;background:radial-gradient(600px 200px at 20% 0, rgba(0,229,255,.12), transparent), radial-gradient(800px 260px at 80% 100%, rgba(255,79,163,.12), transparent)}
.cta-final h3{font-size:clamp(22px,3vw,32px);margin-bottom:16px}

/* Footer */
.footer{display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;padding:26px;border-top:1px solid rgba(255,255,255,.08)}
.footer img{height:30px}
.socials{display:flex;gap:10px}
.social{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;border:1px solid rgba(255,255,255,.12);opacity:.8}
.social:hover{opacity:1}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease}
.reveal.show{opacity:1;transform:translateY(0)}