:root{
  --bg-0:#050b16;
  --bg-1:#081120;
  --bg-2:#0c1a2e;
  --card:#0e1a2c;
  --border:#1b2a42;
  --text-0:#eef2f8;
  --text-1:#c3ccdb;
  --text-2:#8794a8;
  --accent:#2f9dfb;
  --accent-2:#5eb8ff;
  --radius:10px;
  --maxw:1180px;
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg-0);
  color:var(--text-1);
  line-height:1.6;
}

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

a{text-decoration:none;color:inherit;}
ul{list-style:none;}
svg{display:block;}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(5,11,22,0.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
  gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;}
.logo-badge{
  width:32px;height:32px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),#1b6fd1);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;letter-spacing:.5px;
}
.logo-text{font-size:14px;letter-spacing:1px;color:var(--text-0);}

.nav{display:flex;gap:32px;flex:1;justify-content:center;}
.nav a{
  font-size:13px;font-weight:600;letter-spacing:.5px;
  color:var(--text-2);padding:22px 0;position:relative;
  transition:color .2s;
}
.nav a:hover{color:var(--text-0);}
.nav a.active{color:var(--accent);}
.nav a.active::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:2px;
  background:var(--accent);border-radius:2px;
}

.header-actions{display:flex;align-items:center;gap:14px;}
.theme-toggle{
  width:44px;height:24px;border-radius:20px;border:1px solid var(--border);
  background:var(--bg-2);position:relative;cursor:pointer;
  display:flex;align-items:center;padding:0 5px;justify-content:space-between;
  color:var(--text-2);
}
.theme-toggle svg{width:13px;height:13px;}
.icon-sun{color:#ffce54;}
.icon-moon{color:var(--accent-2);}

.hamburger{
  display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;
}
.hamburger span{width:22px;height:2px;background:var(--text-0);border-radius:2px;}

/* ---------- HERO ---------- */
.hero{
  background:
    radial-gradient(ellipse at 70% 30%, rgba(47,157,251,0.18), transparent 55%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1));
  padding:72px 0 88px;
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-2);font-weight:600;letter-spacing:.5px;
  margin-bottom:18px;
}
.eyebrow-bar{width:3px;height:16px;background:var(--accent);border-radius:2px;display:inline-block;}

.hero-text h1{
  font-size:56px;font-weight:800;color:var(--text-0);line-height:1.1;letter-spacing:-1px;
  margin-bottom:14px;
}
.hero-text h1 .accent{color:var(--accent);}
.role{font-size:18px;color:var(--text-1);font-weight:500;margin-bottom:18px;}
.desc{font-size:15px;color:var(--text-2);max-width:520px;margin-bottom:32px;}

.hero-buttons{display:flex;gap:14px;margin-bottom:28px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:8px;font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .2s;
}
.btn-primary{background:var(--accent);color:#04101f;}
.btn-primary:hover{background:var(--accent-2);}
.btn-outline{border-color:var(--border);color:var(--text-0);background:transparent;}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.btn-small{padding:9px 16px;font-size:13px;}

.social-links{display:flex;gap:12px;}
.social-links a{
  width:38px;height:38px;border-radius:8px;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--text-1);
  transition:all .2s;
}
.social-links a:hover{border-color:var(--accent);color:var(--accent);background:rgba(47,157,251,0.08);}

.hero-image{display:flex;justify-content:center;}
.hero-photo{
  width:100%;max-width:420px;aspect-ratio:4/4.6;
  border-radius:16px;overflow:hidden;position:relative;
  background:linear-gradient(160deg,#0d213b,#132c4d);
  border:1px solid var(--border);
  box-shadow:0 20px 60px rgba(0,0,0,0.35);
}
.hero-photo svg{width:70%;height:auto;}
.hero-photo img{
  width:100%;height:100%;object-fit:cover;object-position:top center;
  display:block;
}
/* soften the photo's own studio background so it blends into the dark hero */
.hero-photo::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 40px 18px rgba(5,11,22,0.55);
  border-radius:16px;
}
.hero-photo::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:35%;
  background:linear-gradient(to top, rgba(5,11,22,0.85), rgba(5,11,22,0));
  z-index:1;pointer-events:none;
}

/* ---------- ABOUT ---------- */
.about{padding:80px 0;background:var(--bg-0);}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.section-label{
  display:flex;align-items:center;gap:8px;color:var(--accent);
  font-size:14px;font-weight:700;letter-spacing:1px;margin-bottom:18px;
}
.about-text p{color:var(--text-2);font-size:14.5px;margin-bottom:16px;}

.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.stat-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;display:flex;align-items:center;gap:16px;
}
.stat-icon{color:var(--accent);flex-shrink:0;}
.stat-num{display:block;font-size:24px;font-weight:800;color:var(--text-0);}
.stat-label{display:block;font-size:12.5px;color:var(--text-2);margin-top:2px;}

/* ---------- SECTION TITLE ---------- */
.section-title{
  text-align:center;font-size:14px;font-weight:700;letter-spacing:2px;
  color:var(--text-0);margin-bottom:44px;position:relative;padding-bottom:14px;
}
.section-title::after{
  content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:48px;height:2px;background:var(--accent);border-radius:2px;
}

/* ---------- EXPERTISE ---------- */
.expertise{padding:20px 0 80px;background:var(--bg-0);}
.expertise-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.expertise-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;transition:border-color .2s, transform .2s;
}
.expertise-card:hover{border-color:var(--accent);transform:translateY(-3px);}
.expertise-icon{
  width:48px;height:48px;border-radius:10px;background:rgba(47,157,251,0.1);
  color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.expertise-card h3{font-size:16px;color:var(--text-0);margin-bottom:8px;}
.expertise-card p{font-size:13.5px;color:var(--text-2);}

/* ---------- TECH STACK ---------- */
.tech-stack{padding:20px 0 80px;background:var(--bg-0);}
.tech-grid{
  display:grid;grid-template-columns:repeat(6,1fr);gap:16px;
}
.tech-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 12px;display:flex;flex-direction:column;align-items:center;gap:10px;
  transition:border-color .2s, transform .2s;
}
.tech-item:hover{border-color:var(--accent);transform:translateY(-3px);}
.tech-item .tech-icon{width:40px;height:40px;display:flex;}
.tech-item .tech-icon svg{width:40px;height:40px;border-radius:9px;}
.tech-item span{font-size:12.5px;color:var(--text-1);font-weight:500;text-align:center;}

/* ---------- HIGHLIGHTS ---------- */
.highlights{padding:20px 0 80px;background:var(--bg-0);}
.highlights-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.highlight-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 22px;display:flex;align-items:center;gap:12px;
  font-size:14px;color:var(--text-1);
}
.check{
  width:22px;height:22px;border-radius:50%;border:1px solid var(--accent);
  color:var(--accent);display:flex;align-items:center;justify-content:center;
  font-size:12px;flex-shrink:0;
}

/* ---------- CONTACT ---------- */
.contact{padding:20px 0 90px;background:var(--bg-0);}
.contact-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.contact-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:14px;
}
.contact-icon{
  width:38px;height:38px;border-radius:8px;background:rgba(47,157,251,0.1);
  color:var(--accent);display:flex;align-items:center;justify-content:center;
}
.contact-label{display:block;font-size:13px;color:var(--text-0);font-weight:600;margin-bottom:4px;}
.contact-value{display:block;font-size:13.5px;color:var(--text-2);}

/* ---------- FOOTER ---------- */
.site-footer{
  border-top:1px solid var(--border);padding:22px 0;background:var(--bg-1);
}
.footer-inner{
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-2);
}
.back-to-top{color:var(--text-2);transition:color .2s;}
.back-to-top:hover{color:var(--accent);}

/* ---------- LIGHT THEME ---------- */
body.light{
  --bg-0:#f5f8fc;
  --bg-1:#eef2f8;
  --bg-2:#e4eaf3;
  --card:#ffffff;
  --border:#dbe3ee;
  --text-0:#0c1a2e;
  --text-1:#2f3d52;
  --text-2:#65748c;
  --accent:#2274d1;
  --accent-2:#3f8ee8;
}
body.light .btn-primary{color:#fff;}
body.light .hero-photo{background:linear-gradient(160deg,#dbe8f8,#c9dcf5);}
body.light .site-header{background:rgba(245,248,252,0.9);}

/* ---------- RESPONSIVE ---------- */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-image{order:-1;}
  .about-grid{grid-template-columns:1fr;}
  .expertise-grid{grid-template-columns:repeat(2,1fr);}
  .tech-grid{grid-template-columns:repeat(4,1fr);}
  .highlights-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:720px){
  .nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--bg-0);flex-direction:column;align-items:center;
    justify-content:flex-start;padding-top:40px;gap:8px;
    transform:translateX(100%);transition:transform .3s;
    z-index:99;
  }
  .nav.open{transform:translateX(0);}
  .nav a{padding:14px 0;font-size:16px;}
  .hamburger{display:flex;}
  .hero-text h1{font-size:38px;}
  .expertise-grid{grid-template-columns:1fr;}
  .tech-grid{grid-template-columns:repeat(3,1fr);}
  .highlights-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-inner{flex-direction:column;gap:8px;text-align:center;}
}