/* Mobile-first modern styles (glassmorphism + gradient accents) */
:root{
  --bg:#05070f;
  --card-bg: rgba(255,255,255,0.06);
  --muted: #9fb3d1;
  --accent-1:#48e4ff;
  --accent-2:#8b5bff;
  --accent-grad: linear-gradient(90deg,var(--accent-1),var(--accent-2));
  --text:#eef6ff;
  --glass-border: rgba(255,255,255,0.06);
  --radius:16px;
  --container:1200px;
  --gap:1.25rem;
  --shadow: 0 8px 30px rgba(5,8,20,0.6);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
  line-height:1.4;
}

/* layout helpers */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 1.25rem;
}

/* subtle animated background */
.bg-wave{
  position: fixed;
  inset: -20%;
  z-index:-1;
  background: radial-gradient(circle at 10% 20%, rgba(72,228,255,0.12), transparent 12%),
              radial-gradient(circle at 80% 80%, rgba(139,91,255,0.12), transparent 12%);
  filter: blur(80px);
  transform: translateZ(0);
  pointer-events:none;
  transition:opacity .4s ease;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(5,7,15,0.6), rgba(5,7,15,0.35));
  border-bottom: 1px solid var(--glass-border);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: var(--gap);
  padding:0.9rem 0;
}

/* brand */
.brand{
  display:flex;
  align-items:center;
  gap:0.8rem;
  text-decoration:none;
  color:var(--text);
}
.logo{height:40px;width:auto;display:block}
.brand-text{
  font-weight:800;
  letter-spacing:-0.3px;
  background: var(--accent-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-size:1.05rem;
}

/* nav */
.primary-nav{
  display:flex;
  gap:1.25rem;
  align-items:center;
}

.primary-nav a{
  color:var(--text);
  text-decoration:none;
  font-weight:600;
  padding:0.45rem 0.6rem;
  border-radius:10px;
  transition: all 180ms ease;
}
.primary-nav a:hover,
.primary-nav a:focus{
  color:white;
  transform:translateY(-3px);
  text-decoration:none;
  outline:none;
}

/* hamburger */
.menu-toggle{
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0.35rem;
  border-radius:8px;
  background:transparent;
  border:none;
  color:var(--text);
  cursor:pointer;
}
.menu-toggle:focus{outline:2px solid rgba(72,228,255,0.18);}

/* HERO */
.hero{
  padding:4.25rem 0 3.25rem 0;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:62vh;
}
.hero-inner{ text-align:center; max-width:920px; margin:0 auto; }

.hero-title{
  font-size:2rem;
  font-weight:800;
  line-height:1.03;
  margin-bottom:0.8rem;
}
.hero-title .accent{
  display:inline-block;
  background: var(--accent-grad);
  -webkit-background-clip:text;
  color:transparent;
}

.lead{
  color:var(--muted);
  font-size:1rem;
  margin-bottom:1.15rem;
  max-width:56ch;
  margin-left:auto;
  margin-right:auto;
}

/* CTA buttons */
.btn{
  display:inline-block;
  text-decoration:none;
  padding:0.7rem 1.25rem;
  border-radius:12px;
  font-weight:700;
  font-size:0.95rem;
  transition:transform 180ms ease, box-shadow 180ms ease;
}
.btn.primary{
  background:var(--accent-grad);
  color:#001219;
  box-shadow: 0 10px 30px rgba(72,228,255,0.12);
}
.btn.primary:hover{ transform:translateY(-6px); box-shadow: 0 18px 40px rgba(72,228,255,0.16);}

.btn.ghost{
  background:transparent;
  color:var(--text);
  border:1px solid rgba(255,255,255,0.06);
}

/* hero mini cards (decorative) */
.hero-cards{
  margin-top:1.25rem;
  display:flex;
  gap:0.7rem;
  justify-content:center;
  flex-wrap:wrap;
}
.mini-card{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border:1px solid rgba(255,255,255,0.03);
  padding:0.5rem 0.8rem;
  border-radius:999px;
  font-size:0.86rem;
  color:var(--muted);
  box-shadow: var(--shadow);
}

/* Sections */
.section{ padding:3.25rem 0; }
.section.alt{ background: linear-gradient(180deg, rgba(255,255,255,0.01), transparent); }

/* titles */
.section-title{ font-size:1.35rem; font-weight:800; margin-bottom:0.35rem; }
.section-sub{ color:var(--muted); margin-bottom:1rem; }

/* Features grid */
.features-grid{
  display:grid;
  gap:1rem;
  grid-template-columns: 1fr;
  margin-top:1.2rem;
}
.feature{
  background:var(--card-bg);
  border:1px solid var(--glass-border);
  padding:1.25rem;
  border-radius:14px;
  box-shadow: 0 8px 28px rgba(5,8,20,0.45);
}
.feature h3{ margin-bottom:0.5rem; font-size:1.05rem; }
.feature p{ color:var(--muted); font-size:0.95rem; }

/* tech grid */
.tech-grid{
  display:grid;
  gap:0.9rem;
  grid-template-columns:1fr;
  margin-top:1rem;
}
.tech-card{
  padding:1rem;
  border-radius:12px;
  border:1px solid var(--glass-border);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  display:flex;
  flex-direction:column;
  gap:0.45rem;
}

/* contact area */
.contact-inner{ text-align:center; }

/* footer */
.site-footer{
  border-top:1px solid var(--glass-border);
  padding:1.25rem 0;
  margin-top:2rem;
  text-align:center;
  color:var(--muted);
  font-size:0.9rem;
}

/* Larger screens */
@media(min-width:700px){
  .hero-title{ font-size:2.6rem; }
  .lead{ font-size:1.08rem; }

  .features-grid{ grid-template-columns: repeat(3,1fr); }
  .tech-grid{ grid-template-columns: repeat(3,1fr); }

  .menu-toggle{ display:none; }
  .primary-nav{ display:flex; }
}

@media(min-width:1100px){
  .hero{ min-height:84vh; padding-top:6rem; }
  .hero-title{ font-size:3.6rem; }
}