:root{
  --brand: #062533;
  --accent: #00c2a8;
  --muted: #f1f7f6;
  --bg: linear-gradient(135deg,#071428 0%,#082032 60%);
  --text: #E6F6F5;
  --cta-text: #062533;
  --cta-bg: linear-gradient(90deg,#00c2a8 0%,#22d3ee 100%);
  --radius: 12px;
  --container-width: 1100px;
  --container-pad: 1rem;
  --shadow-sm: 0 10px 30px rgba(2,12,20,0.45);
  --font-sans: 'Sora', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: var(--font-serif);
  color:var(--text);
  background:var(--bg);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}

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

.site-header{
  background:var(--bg);
  border-bottom:1px solid rgba(11,34,63,0.06);
  padding:0.75rem 0;
}

.site-header .brand{font-weight:700;color:var(--brand);text-decoration:none;font-size:1.125rem}

.nav{display:flex;gap:0.75rem;align-items:center}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:0.5rem;
  padding:0.6rem 1rem;
  border-radius:var(--radius);
  text-decoration:none;
  border:1px solid transparent;
  background:transparent;
  color:var(--text);
  cursor:pointer;
  font-weight:600;
  transition:transform .18s ease, box-shadow .18s ease;
  will-change:transform, box-shadow;
}

.btn:focus-visible{
  outline:3px solid rgba(0,163,255,0.18);
  outline-offset:2px;
  border-color:transparent;
}

.btn-primary{
  background:var(--cta-bg);
  color:var(--cta-text);
  border:none;
  box-shadow:var(--shadow-sm);
}

.btn-primary:hover{
  transform:translateY(-3px) scale(1.02);
  box-shadow: 0 10px 30px rgba(11,34,63,0.12);
}

.btn-outline{
  border-color:rgba(11,34,63,0.06);
  background:var(--bg);
}

.hero{
  padding:3.5rem 0;
  text-align:center;
  background:linear-gradient(180deg,var(--bg),var(--muted));
  overflow:hidden;
}

.hero .container{display:block}

.hero-title{
  margin:0 0 .75rem;
  font-weight:700;
  font-size:clamp(1.5rem, 5vw, 2.5rem);
  line-height:1.05;
  color:var(--text);
  opacity:0;
  transform:translateY(14px);
}

.hero-sub{
  margin:0 0 1.25rem;
  color:rgba(11,34,63,0.72);
  font-size:1rem;
  opacity:0;
  transform:translateY(10px);
}

#hero-cta{opacity:0;transform:translateY(6px)}

.section{padding:2rem 0}

.form{display:grid;gap:0.6rem;max-width:420px}
.form label{display:flex;flex-direction:column;font-size:0.95rem}
.form input,.form textarea{padding:0.75rem;border:1px solid rgba(11,34,63,0.08);border-radius:8px;font-size:1rem;background:#fff}

.success{color:var(--brand);margin-top:0.5rem;opacity:0;transform:translateY(-6px)}

.reveal, .reveal-on-scroll{opacity:0; transform:translateY(8px); transition:opacity .55s cubic-bezier(.2,.9,.2,1), transform .55s cubic-bezier(.2,.9,.2,1); will-change:opacity, transform}

.is-revealed{opacity:1;transform:none}

@media(min-width:700px){
  .hero{padding:6rem 0}
  .hero .container{display:flex;align-items:center;gap:2rem;justify-content:space-between;text-align:left}
  .hero-title{font-size:clamp(2rem, 4vw, 3rem)}
  .nav{float:none;display:flex}
}

/* hero animated mesh and accessibility-conscious motion */
.hero{position:relative;color:var(--text);}
.hero .container{position:relative;z-index:1}
.hero::before{
  content:'';
  position:absolute;
  left:-10%;
  right:-10%;
  top:-20%;
  bottom:-20%;
  background:
    radial-gradient(600px 400px at 10% 20%, rgba(0,194,168,0.18) 0%, rgba(0,194,168,0.00) 30%),
    radial-gradient(500px 300px at 80% 70%, rgba(34,211,238,0.14) 0%, rgba(34,211,238,0.00) 30%),
    radial-gradient(420px 280px at 50% 40%, rgba(0,194,168,0.12) 0%, rgba(0,194,168,0.00) 35%);
  filter: blur(44px);
  transform-origin:50% 50%;
  animation: float-mesh 10s ease-in-out infinite;
  pointer-events:none;
  z-index:0;
  mix-blend-mode:screen;
}

@keyframes float-mesh{
  0%{transform:translateY(0) scale(1)}
  50%{transform:translateY(-20px) scale(1.03)}
  100%{transform:translateY(0) scale(1)}
}

.hero-title{font-family:var(--font-sans);font-weight:800;color:var(--text);}
.hero-sub{color:rgba(230,246,245,0.9)}
.accent{color:var(--accent);font-weight:700}

/* header scrolled state */
.site-header{background:transparent;border-bottom:none;transition:background .24s ease, padding .18s ease, box-shadow .18s ease;}
.site-header.scrolled{background:linear-gradient(180deg,rgba(6,37,51,0.6),rgba(6,37,51,0.56));backdrop-filter:blur(6px);box-shadow:0 6px 18px rgba(2,12,20,0.35);padding:0.5rem 0}

.btn{min-height:44px;min-width:44px;padding:0.75rem 1.1rem}
.btn-primary:focus-visible{outline:3px solid rgba(34,211,238,0.18);outline-offset:2px}

@media (prefers-reduced-motion: reduce){
  .btn, .reveal, .hero-title, .hero-sub, #hero-cta, .is-revealed, .success { transition:none !important; animation:none !important; transform:none !important; opacity:1 !important; }
  .hero::before{animation:none;opacity:0.9}
}