*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,sans-serif;
  background:var(--bg);
  color:var(--text);
  transition:.3s;
}
body.light{
  --bg:#f7f7fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#4b5563;
  --border:rgba(17,24,39,.08);
  --accent:#6d5efc;
}
body{
  --bg:#0b1020;
  --card:rgba(17,24,39,.85);
  --text:#f3f4f6;
  --muted:#b7bfd4;
  --border:rgba(255,255,255,.08);
  --accent:#8b7dff;
}
a{color:inherit;text-decoration:none}

.header{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 6vw;
  background:color-mix(in srgb,var(--bg) 85%,transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.brand{font-weight:800;font-size:1.3rem}
.brand span,.eyebrow,.section-title p{color:var(--accent)}
.nav{display:flex;gap:26px;align-items:center}
.nav-btn,.btn,.theme-toggle,.menu-toggle{border:none;cursor:pointer}
.nav-btn,.btn{padding:12px 18px;border-radius:999px}
.nav-btn,.btn.secondary{border:1px solid var(--border);background:transparent}
.btn.primary{background:var(--accent);color:#fff}
.theme-toggle,
.menu-toggle{
  background:var(--card);
  color:var(--text);
  border:1px solid var(--border);
  width:44px;
  height:44px;
  border-radius:12px;
}

.section{padding:90px 6vw}
.hero{
  min-height:90vh;
  display:grid;
  grid-template-columns:1.4fr .8fr;
  gap:30px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2.8rem,6vw,5.6rem);
  line-height:1.02;
  margin:10px 0 18px;
}
.hero p,.panel p,.project-card p{color:var(--muted);line-height:1.7}
.hero-card,.panel,.project-card,.contact-form,.map-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:24px;
  box-shadow:0 20px 60px rgba(0,0,0,.18);
}
.hero-card{
  padding:28px;
  display:grid;
  gap:18px;
}
.stat{
  padding:18px;
  border-radius:18px;
  background:rgba(255,255,255,.03);
}
.stat strong{display:block;font-size:1.5rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}

.section-title{max-width:720px;margin-bottom:28px}
.section-title h2{font-size:clamp(1.8rem,3vw,3rem);margin:10px 0 0}

.about-grid,.projects-grid,.contact-grid{display:grid;gap:22px}
.about-grid{grid-template-columns:1fr 1fr}
.panel,.project-card,.contact-form,.map-card{padding:24px}
.skills-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(120px,1fr));
    gap:15px;
}

.skill-card{
    text-align:center;
    padding:20px;
    border-radius:18px;
    background:var(--card);
    border:1px solid var(--border);
}

.skill-card i{
    font-size:3rem;
    margin-bottom:10px;
}
.projects-grid{grid-template-columns:repeat(3,1fr)}
.project-card{transition:.3s transform,.3s box-shadow}
.project-card:hover{transform:translateY(-6px)}
.contact-grid{grid-template-columns:1.1fr .9fr;align-items:stretch}
.map-card{padding:0;overflow:hidden;min-height:360px}
.map-card iframe{width:100%;height:100%;border:0;min-height:360px}
.contact-form{display:grid;gap:14px}
.contact-form input,.contact-form textarea{
  width:100%;
  padding:15px 16px;
  border-radius:14px;
  border:1px solid var(--border);
  background:transparent;
  color:var(--text);
  font:inherit;
}
.full{width:100%}
.footer{
  padding:30px 6vw 45px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  border-top:1px solid var(--border);
}
.socials{display:flex;gap:16px;flex-wrap:wrap}
.reveal{opacity:0;transform:translateY(18px);transition:.8s ease}
.reveal.visible{opacity:1;transform:none}

@media (max-width:900px){

  .hero,
  .about-grid,
  .projects-grid,
  .contact-grid{
    grid-template-columns:1fr;
  }

  .nav{
    position:fixed;
    top:80px;
    left:6vw;
    right:6vw;
    display:none;
    flex-direction:column;
    padding:20px;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:20px;
  }

  .nav.open{
    display:flex;
  }

  .menu-toggle{
    display:grid;
    place-items:center;
  }

  .hero{
    min-height:auto;
    padding-top:40px;
  }

}
.profile-img{
    width:100%;
    height:320px;
    object-fit:cover;
    border-radius:20px;
    margin-bottom:20px;
}
.theme-toggle{
    display:grid;
    place-items:center;
}

.menu-toggle{
    display:none;
}
.socials a{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:10px;
  transition:0.3s;
}

.socials a i{
  font-size:18px;
}

.socials a:hover{
  background:rgba(139,125,255,.15);
  transform:translateY(-2px);
}

.project-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #4f46e5;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.project-btn:hover {
    background-color: #4338ca;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.project-btn:active {
    transform: translateY(0);
}