@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --bg:#050B18;
  --bg-panel:#0A1830;
  --bg-panel-2:#0E1E3A;
  --bg-raised:#12233F;
  --line: rgba(140,180,255,0.14);
  --line-strong: rgba(140,180,255,0.32);
  --text:#EAF2FF;
  --text-soft:#93A9C7;
  --text-mute:#5C7295;
  --cyan:#2FB6F6;
  --cyan-dark:#1585BE;
  --cyan-glow: rgba(47,182,246,0.35);
  --green:#8BC34A;
  --amber:#FFC107;
  --orange:#FF7A1A;
  --coral:#FF4D4D;
  --danger:#FF5C5C;
  --radius:8px;
  --radius-lg:14px;
  --container: 1140px;
  font-size:16px;
}

*{box-sizing:border-box;}
html,body{height:100%;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  color:var(--text);
  font-family:'Inter',sans-serif;
  -webkit-font-smoothing:antialiased;
  background:
    radial-gradient(ellipse 900px 500px at 50% 100%, rgba(47,182,246,0.12), transparent 70%),
    radial-gradient(ellipse 700px 400px at 15% 10%, rgba(139,195,74,0.06), transparent 60%),
    linear-gradient(180deg, #030712 0%, #050B18 40%, #081328 100%);
  background-attachment:fixed;
}

h1,h2,h3,.display{
  font-family:'Inter',sans-serif;
  font-weight:700;
  color:var(--text);
  letter-spacing:-0.01em;
  line-height:1.15;
  margin:0 0 0.5em;
}

p{color:var(--text-soft); line-height:1.7; margin:0 0 1em;}
.mono{font-family:'IBM Plex Mono',monospace;}
a{color:var(--cyan); text-decoration:none;}
img{max-width:100%;}
ul{margin:0; padding:0; list-style:none;}

.container{max-width:var(--container); margin:0 auto; padding:0 1.5rem;}
section{padding:5rem 0;}
@media (max-width:720px){ section{padding:3.5rem 0;} }

.eyebrow{
  display:inline-block; font-size:0.72rem; font-weight:600; letter-spacing:0.22em;
  text-transform:uppercase; color:var(--cyan); margin-bottom:0.9em;
}

/* ---------- buttons ---------- */
button{font-family:'Inter',sans-serif;cursor:pointer;}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:0.5em;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,0.02);
  color:var(--text);
  padding:0.75em 1.4em;
  border-radius:var(--radius);
  font-size:0.95rem;
  font-weight:500;
  transition:background 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.btn:hover{background:rgba(47,182,246,0.1); border-color:var(--cyan); transform:translateY(-1px);}

.btn-primary{
  background:linear-gradient(135deg, var(--cyan), var(--cyan-dark));
  border-color:var(--cyan);
  color:#03101C;
  font-weight:600;
}
.btn-primary:hover{box-shadow:0 0 22px var(--cyan-glow);}

.btn-lg{padding:0.9em 1.8em; font-size:1rem;}

/* ---------- signal mark (logo) ---------- */
.signal-mark{display:inline-flex; align-items:center; gap:0.6em; color:inherit;}
.signal-mark svg{width:34px; height:34px; flex:none;}
.signal-wordmark{display:flex; flex-direction:column; line-height:1.05; text-align:left;}
.signal-wordmark .name{font-size:1.05rem; font-weight:700; color:var(--text); letter-spacing:-0.01em;}
.signal-wordmark .tagline{font-size:0.6rem; font-weight:500; letter-spacing:0.22em; color:var(--cyan); text-transform:uppercase;}

/* ---------- grid backdrop ---------- */
.grid-backdrop{position:relative; overflow:hidden;}
.grid-backdrop::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    repeating-linear-gradient(90deg, rgba(47,182,246,0.05) 0 1px, transparent 1px 90px),
    repeating-linear-gradient(0deg, rgba(47,182,246,0.05) 0 1px, transparent 1px 90px);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent 75%);
  pointer-events:none;
}

/* ---------- header / nav ---------- */
header.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(5,11,24,0.75);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-row{display:flex; align-items:center; justify-content:space-between; padding:1rem 0;}
.nav-links{display:flex; align-items:center; gap:2rem;}
.nav-links a{color:var(--text-soft); font-size:0.92rem; font-weight:500;}
.nav-links a:hover, .nav-links a.active{color:var(--text);}
.nav-actions{display:flex; align-items:center; gap:1rem;}
.nav-toggle{display:none; background:none; border:1px solid var(--line-strong); border-radius:var(--radius); padding:0.4em 0.6em; color:var(--text);}

@media (max-width:840px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:flex-start; gap:0;
    background:var(--bg-panel); border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden; transition:max-height 0.25s ease;
  }
  .nav-links.open{max-height:400px;}
  .nav-links a{width:100%; padding:0.9rem 1.5rem; border-bottom:1px solid var(--line);}
  .nav-actions .btn-primary{padding:0.6em 1em; font-size:0.85rem;}
  .nav-toggle{display:inline-flex;}
}

/* ---------- hero ---------- */
.hero{padding:6rem 0 5rem; text-align:center; position:relative;}
.hero h1{font-size:clamp(2.1rem, 4.5vw, 3.4rem); max-width:820px; margin:0 auto 0.6em;}
.hero .lead{max-width:640px; margin:0 auto 1.8em; font-size:1.05rem;}
.hero-ctas{display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; margin-bottom:3rem;}

.badge-row{display:flex; flex-wrap:wrap; gap:0.75rem; justify-content:center;}
.badge{
  display:inline-flex; align-items:center; gap:0.5em;
  border:1px solid var(--line-strong); border-radius:999px;
  padding:0.5em 1em; font-size:0.82rem; color:var(--text-soft);
  background:rgba(255,255,255,0.02);
}
.badge .dot{width:6px; height:6px; border-radius:50%; background:var(--cyan);}

/* ---------- cards ---------- */
.card{
  background:rgba(10,24,48,0.6);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:2rem;
  transition:border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
a.card{display:block; text-decoration:none; color:inherit;}
.card:hover{border-color:var(--line-strong); transform:translateY(-3px); box-shadow:0 12px 32px rgba(0,0,0,0.35);}
.card .icon{
  width:44px; height:44px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(47,182,246,0.1); border:1px solid var(--line-strong);
  color:var(--cyan); margin-bottom:1.2rem;
}
.card h3{font-size:1.15rem; margin-bottom:0.5em;}
.card p{margin-bottom:0; font-size:0.92rem;}
.card a.card-link{display:inline-block; margin-top:1rem; font-size:0.85rem; font-weight:600;}

.grid{display:grid; gap:1.5rem;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:900px){ .grid-3, .grid-4{grid-template-columns:repeat(2,1fr);} }
@media (max-width:620px){ .grid-2, .grid-3, .grid-4{grid-template-columns:1fr;} }

.section-head{max-width:640px; margin:0 auto 3rem; text-align:center;}
.section-head.left{margin-left:0; text-align:left;}

/* ---------- panels / highlight sections ---------- */
.panel{
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
}
.panel-strong{
  background:linear-gradient(160deg, rgba(47,182,246,0.08), rgba(10,24,48,0.4));
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
}

/* ---------- split layout ---------- */
.split{display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:center;}
@media (max-width:840px){ .split{grid-template-columns:1fr;} }

.check-list li{display:flex; gap:0.7em; align-items:flex-start; margin-bottom:0.8em; color:var(--text-soft); font-size:0.95rem;}
.check-list li svg{flex:none; margin-top:0.2em; color:var(--green);}

/* ---------- CTA banner ---------- */
.cta-banner{
  text-align:center; padding:3.5rem 2rem;
}
.cta-banner h2{font-size:clamp(1.6rem,3vw,2.2rem);}

/* ---------- footer ---------- */
footer.site-footer{border-top:1px solid var(--line); padding:3rem 0 2rem; margin-top:2rem;}
.footer-row{display:flex; justify-content:space-between; flex-wrap:wrap; gap:2rem; margin-bottom:2rem;}
.footer-links{display:flex; gap:2rem; flex-wrap:wrap;}
.footer-links a{color:var(--text-soft); font-size:0.9rem;}
.footer-links a:hover{color:var(--text);}
.footer-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:1rem; border-top:1px solid var(--line); padding-top:1.5rem; font-size:0.8rem; color:var(--text-mute);}

/* ---------- page header (inner pages) ---------- */
.page-hero{padding:4.5rem 0 3rem; text-align:center;}
.page-hero h1{font-size:clamp(1.9rem,4vw,2.6rem);}
.page-hero .lead{max-width:600px; margin:0 auto;}

/* ---------- forms ---------- */
.form-field{margin-bottom:1.2rem; text-align:left;}
.form-field label{display:block; font-size:0.85rem; color:var(--text-soft); margin-bottom:0.4em; font-weight:500;}
input,textarea,select{
  font-family:'Inter',sans-serif;
  border:1px solid var(--line);
  background:var(--bg-raised);
  color:var(--text);
  border-radius:var(--radius);
  padding:0.7em 0.85em;
  font-size:0.95rem;
  width:100%;
}
textarea{resize:vertical; min-height:140px;}
input::placeholder, textarea::placeholder{color:var(--text-mute);}
input:focus, textarea:focus, select:focus{outline:2px solid var(--cyan); outline-offset:1px;}
.form-note{font-size:0.8rem; color:var(--text-mute); margin-top:1rem;}

.form-status{
  border-radius:var(--radius); padding:0.9em 1.1em; font-size:0.88rem;
  margin-bottom:1.25rem; border:1px solid var(--line-strong);
}
.form-status-success{background:rgba(139,195,74,0.1); border-color:rgba(139,195,74,0.4); color:var(--text);}
.form-status-error{background:rgba(255,92,92,0.1); border-color:rgba(255,92,92,0.4); color:var(--text);}
.form-status-error a{color:var(--text); text-decoration:underline;}

/* ---------- contact info cards ---------- */
.contact-info{display:flex; flex-direction:column; gap:1.25rem;}
.contact-info .item{display:flex; gap:1em; align-items:flex-start;}
.contact-info .icon{
  width:40px; height:40px; border-radius:10px; flex:none;
  display:flex; align-items:center; justify-content:center;
  background:rgba(47,182,246,0.1); border:1px solid var(--line-strong); color:var(--cyan);
}
.contact-info h4{margin:0 0 0.2em; font-size:0.95rem; color:var(--text);}
.contact-info p{margin:0; font-size:0.9rem;}

/* ---------- utility ---------- */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.mb-0{margin-bottom:0;}