:root{
  --bg: #0a0f18;
  --bg-soft: #0e1420;
  --surface: #121a28;
  --surface-2: #17202f;
  --border: rgba(255,255,255,0.08);
  --text: #f4f6f9;
  --text-dim: #9aa7b8;
  --text-faint: #64707f;
  --accent: #0066d0;
  --accent-2: #00b8e0;
  --accent-warm: #ffb454;
  --radius: 18px;
  --maxw: 1120px;
  color-scheme: dark;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3{
  font-family:'Space Grotesk', 'Inter', sans-serif;
  font-weight:600;
  letter-spacing:-0.02em;
  margin:0;
}
p{margin:0;color:var(--text-dim);}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}

.section-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

/* noise + cursor glow */
.noise-overlay{
  position:fixed; inset:0; pointer-events:none; z-index:2;
  opacity:0.035; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.cursor-glow{
  position:fixed; top:0; left:0; width:520px; height:520px;
  border-radius:50%; pointer-events:none; z-index:1;
  background:radial-gradient(circle, rgba(0,102,208,0.12) 0%, rgba(0,102,208,0) 70%);
  transform:translate(-50%,-50%);
  transition:opacity .3s ease;
  opacity:0;
}
@media (min-width:900px){ .cursor-glow{opacity:1;} }

/* header */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:50;
  padding:18px 0;
  transition:background .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(10,15,24,0.75);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border);
  padding:12px 0;
}
.header-inner{
  max-width:var(--maxw); margin:0 auto; padding:0 28px;
  display:flex; align-items:center; justify-content:space-between;
}
.brand{display:flex; align-items:center; gap:10px;}
.brand-logo{
  height:68px; width:auto; display:block; border-radius:8px;
}
.main-nav{display:flex; gap:32px;}
.main-nav a{
  font-size:0.92rem; color:var(--text-dim); position:relative;
  transition:color .2s ease;
}
.main-nav a:hover{color:var(--text);}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:-6px; width:0; height:1px;
  background:var(--accent-2); transition:width .25s ease;
}
.main-nav a:hover::after{width:100%;}
@media (max-width:760px){ .main-nav{display:none;} }

/* buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 26px; border-radius:100px; font-size:0.92rem; font-weight:500;
  border:1px solid transparent; cursor:pointer; transition:transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:linear-gradient(135deg, var(--accent), #003f8a);
  color:#fff;
  box-shadow:0 8px 24px -8px rgba(0,102,208,0.55);
}
.btn-primary:hover{box-shadow:0 12px 30px -6px rgba(0,102,208,0.7);}
.btn-outline{
  border-color:var(--border);
  color:var(--text);
  background:rgba(255,255,255,0.02);
}
.btn-outline:hover{border-color:rgba(255,255,255,0.25); background:rgba(255,255,255,0.05);}
.btn-ghost{
  padding:10px 20px; font-size:0.88rem; border:1px solid var(--border);
}
.btn-ghost:hover{border-color:rgba(255,255,255,0.3);}
@media (max-width:760px){ .nav-cta{display:none;} }

/* hero */
.hero{
  position:relative; min-height:100vh; display:flex; flex-direction:column;
  align-items:center; justify-content:center; text-align:center;
  padding:140px 28px 100px;
  overflow:hidden;
}
.hero-bg{position:absolute; inset:0; z-index:0;}
.orb{position:absolute; border-radius:50%; filter:blur(120px); opacity:0.32;}
.orb-1{
  width:520px; height:520px; top:-180px; left:-120px;
  background:radial-gradient(circle, var(--accent) 0%, transparent 70%);
  animation:float1 16s ease-in-out infinite;
}
.orb-2{
  width:460px; height:460px; bottom:-200px; right:-140px;
  background:radial-gradient(circle, var(--accent-2) 0%, transparent 70%);
  animation:float2 18s ease-in-out infinite;
}
@keyframes float1{0%,100%{transform:translate(0,0);}50%{transform:translate(40px,60px);}}
@keyframes float2{0%,100%{transform:translate(0,0);}50%{transform:translate(-50px,-40px);}}
.grid-lines{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 60% 50% at 50% 40%, black 40%, transparent 100%);
}
.hero-inner{position:relative; z-index:1; max-width:820px;}
.eyebrow{
  display:inline-flex; align-items:center;
  font-size:0.82rem; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--accent-2); margin-bottom:22px; font-weight:500;
}
.hero h1{
  font-size:clamp(2.4rem, 6vw, 4.4rem); line-height:1.08; margin-bottom:26px;
}
.text-gradient{
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{
  max-width:600px; margin:0 auto 40px; font-size:1.08rem; color:var(--text-dim);
}
.hero-actions{display:flex; gap:16px; justify-content:center; flex-wrap:wrap;}

.scroll-cue{
  position:absolute; bottom:36px; left:50%; transform:translateX(-50%);
  width:26px; height:42px; border:1px solid var(--border); border-radius:20px;
  z-index:1;
}
.scroll-cue span{
  position:absolute; top:8px; left:50%; transform:translateX(-50%);
  width:4px; height:8px; border-radius:3px; background:var(--accent-2);
  animation:scrollcue 1.8s ease infinite;
}
@keyframes scrollcue{0%{opacity:1; top:8px;}80%{opacity:0;}100%{opacity:0; top:20px;}}

/* section tag */
.section-tag{
  font-size:0.82rem; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--text-faint); margin-bottom:18px; font-weight:500;
}
.section-tag.light{color:rgba(255,255,255,0.5);}

/* about */
.about{padding:130px 0; background:var(--bg-soft); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
.about-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:64px; align-items:start;}
.about h2{font-size:clamp(1.8rem, 3.4vw, 2.6rem); line-height:1.15;}
.about-copy p{font-size:1.02rem; margin-bottom:18px;}
.about-copy strong{color:var(--text); font-weight:600;}
.pillars{display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:32px;}
.pillar{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px; transition:transform .25s ease, border-color .25s ease;
}
.pillar:hover{transform:translateY(-4px); border-color:rgba(255,255,255,0.16);}
.pillar-num{
  font-family:'Space Grotesk',sans-serif; font-size:0.85rem; color:var(--accent-2);
  margin-bottom:10px; font-weight:600;
}
.pillar-title{font-weight:600; font-size:1.05rem; margin-bottom:8px; color:var(--text);}
.pillar-desc{font-size:0.92rem; color:var(--text-dim);}
@media (max-width:860px){
  .about-grid{grid-template-columns:1fr; gap:32px;}
  .pillars{grid-template-columns:1fr;}
}

/* products */
.products{padding:130px 0;}
.products h2{font-size:clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom:10px;}
.section-sub{font-size:1.05rem; margin-bottom:52px;}
.product-card{
  display:grid; grid-template-columns:0.85fr 1.15fr; gap:0;
  background:linear-gradient(160deg, var(--surface), var(--surface-2));
  border:1px solid var(--border); border-radius:24px; overflow:hidden;
  position:relative;
}
.product-visual{
  position:relative; padding:60px 40px;
  display:flex; align-items:center; justify-content:center;
  background:radial-gradient(circle at 30% 20%, rgba(0,102,208,0.16), transparent 60%);
  border-right:1px solid var(--border);
}
.product-badge{
  position:absolute; top:24px; left:24px;
  font-size:0.72rem; letter-spacing:0.06em; text-transform:uppercase;
  padding:6px 12px; border-radius:100px; font-weight:600;
  background:rgba(255,159,107,0.15); color:var(--accent-warm);
  border:1px solid rgba(255,159,107,0.3);
}
.mock-phone{
  width:220px; height:400px; border-radius:32px;
  background:#0a0b0f; border:6px solid #1c2029;
  box-shadow:0 30px 60px -20px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
  position:relative; padding:18px 14px;
}
.mock-notch{
  width:70px; height:16px; background:#1c2029; border-radius:10px;
  margin:0 auto 16px;
}
.mock-screen{display:flex; flex-direction:column; gap:12px; height:100%;}
.mock-row{border-radius:8px; background:rgba(255,255,255,0.06);}
.mock-row-1{height:14px; width:70%;}
.mock-row-2{height:10px; width:50%; background:rgba(255,255,255,0.04);}
.mock-cards{display:flex; gap:10px; margin:8px 0;}
.mock-card{
  flex:1; height:90px; border-radius:12px;
  background:linear-gradient(160deg, rgba(0,102,208,0.35), rgba(0,184,224,0.2));
  border:1px solid rgba(255,255,255,0.08);
}
.mock-row-3{height:38px; border-radius:10px; background:linear-gradient(90deg, var(--accent), var(--accent-2)); opacity:0.85; margin-top:auto;}
.product-info{padding:48px 44px;}
.product-eyebrow{
  font-size:0.8rem; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--accent-2); font-weight:600; margin-bottom:14px;
}
.product-info h3{font-size:1.5rem; margin-bottom:16px; line-height:1.3;}
.product-info p{margin-bottom:22px; font-size:1rem;}
.product-tags{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:30px;}
.product-tags li{
  font-size:0.82rem; padding:7px 14px; border-radius:100px;
  background:rgba(255,255,255,0.05); border:1px solid var(--border); color:var(--text-dim);
}
@media (max-width:820px){
  .product-card{grid-template-columns:1fr;}
  .product-visual{border-right:none; border-bottom:1px solid var(--border); padding:44px 20px;}
  .product-info{padding:36px 28px;}
}

/* contact */
.contact{
  padding:130px 0;
  background:linear-gradient(180deg, var(--bg-soft), var(--bg));
  border-top:1px solid var(--border);
}
.contact-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:64px; align-items:start;}
.contact-copy h2{font-size:clamp(1.9rem, 3.6vw, 2.8rem); line-height:1.2; margin-bottom:18px;}
.contact-copy p{font-size:1.05rem; max-width:420px;}
.contact-divider{width:180px; height:1px; background:var(--border); margin:28px 0;}
.contact-info-list{display:flex; flex-direction:column; gap:14px;}
.contact-info-list li{display:flex; align-items:center; gap:12px; font-size:0.95rem; color:var(--text-dim);}
.contact-info-list a{transition:color .2s ease;}
.contact-info-list a:hover{color:var(--accent-2);}
.contact-info-icon{width:18px; height:18px; color:var(--accent-2); flex-shrink:0;}

.contact-form-card{
  background:linear-gradient(160deg, var(--surface), var(--surface-2));
  border:1px solid var(--border); border-radius:var(--radius);
  padding:44px;
}
.contact-form-heading{
  text-align:center; font-size:1.05rem; font-weight:600; color:var(--text);
  margin-bottom:28px;
}
.contact-form{display:flex; flex-direction:column; gap:16px;}
.form-row{display:flex; gap:16px; flex-wrap:wrap;}
.form-row .form-field{flex:1 1 200px;}
.contact-form input,
.contact-form select,
.contact-form textarea{
  width:100%; background:rgba(255,255,255,0.03); border:1px solid var(--border);
  border-radius:12px; padding:14px 16px; color:var(--text);
  font-family:inherit; font-size:0.95rem; outline:none;
  transition:border-color .2s ease, background .2s ease;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus{
  border-color:var(--accent-2); background:rgba(255,255,255,0.05);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder{color:var(--text-faint);}
.contact-form select{
  appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239aa7b8' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 16px center;
  padding-right:36px; color:var(--text);
}
.contact-form select:invalid{color:var(--text-faint);}
.contact-form textarea{min-height:120px; resize:vertical;}
.contact-submit{width:100%; margin-top:4px;}
.contact-form-note{
  font-size:0.78rem; color:var(--text-faint); text-align:center; margin-top:4px;
}
@media (max-width:820px){ .contact-grid{grid-template-columns:1fr; gap:36px;} }
@media (max-width:520px){ .contact-form-card{padding:28px 22px;} }

/* footer */
.site-footer{
  padding:32px 0; border-top:1px solid var(--border);
}
.footer-inner{
  max-width:var(--maxw); margin:0 auto; padding:0 28px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:0.85rem; color:var(--text-faint);
}
.footer-links a:hover{color:var(--accent-2);}

/* reveal on scroll */
.reveal{
  opacity:0; transform:translateY(24px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.in-view{opacity:1; transform:translateY(0);}