:root {
    --bg:#06101f; --surface:#0d1b2d; --surface2:#10243a; --border:#23415e;
    --text:#f4f8fc; --muted:#a8b9ca; --accent:#24d5d2; --blue:#3b73ff;
    --danger:#ff6c7a; --radius:22px; --shadow:0 24px 70px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.shell{width:min(1180px,calc(100% - 40px));margin:0 auto}
.narrow{width:min(820px,100%)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(2,6,18);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav-shell{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:800}
.brand-mark{display:grid;place-items:center;width:42px;height:32px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--accent));color:#04101e;font-weight:900}
.brand-accent{color:var(--blue);font-style:italic}
.site-nav{display:flex;align-items:center;gap:26px}
.site-nav>a:not(.button){color:var(--muted)}
.nav-toggle{display:none}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--blue),#2d5ce5);color:white;font-weight:750;cursor:pointer}
.button-small{min-height:40px;padding:0 16px}
.text-link,.eyebrow{color:var(--accent);font-weight:800}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem}
.hero{padding:92px 0 72px;background:radial-gradient(circle at 85% 12%,rgba(36,213,210,.11),transparent 24%),radial-gradient(circle at 15% 0%,rgba(59,115,255,.13),transparent 30%)}
.hero-grid,.split,.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.hero h1,.page-hero h1{margin:12px 0 20px;font-size:clamp(2.7rem,6vw,5.4rem);line-height:.98;letter-spacing:-.045em}
.page-hero h1{font-size:clamp(2.5rem,5vw,4.5rem)}
.hero-lead,.page-hero p,.section-heading p,.feature-card p,.audience-card p,.mini-feature p,.contact-copy{color:var(--muted)}
.hero-lead,.page-hero p,.section-heading p{font-size:1.12rem}
.hero-actions{display:flex;align-items:center;gap:22px;margin:30px 0}
.hero-points{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted)}
.hero-points span:before{content:"•";color:var(--accent);margin-right:8px}
.app-frame{padding:10px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg,#12243a,#091424);box-shadow:var(--shadow);overflow:hidden}
.app-frame img{border-radius:14px}
.section{padding:92px 0}
.section-alt{background:#091525}
.section-heading{max-width:760px;margin-bottom:42px}
.section-heading h2,.split h2,.cta-band h2{margin:10px 0 14px;font-size:clamp(2rem,4vw,3.5rem);line-height:1.08;letter-spacing:-.03em}
.card-grid{display:grid;gap:20px}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.feature-card,.audience-card,.form-card,.architecture-card,.integration-spotlight{padding:28px;border:1px solid var(--border);border-radius:18px;background:linear-gradient(180deg,rgba(16,36,58,.96),rgba(11,27,45,.96))}
.feature-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;color:var(--accent);background:rgba(36,213,210,.08);border:1px solid rgba(36,213,210,.18);font-weight:800}
.integration-panel{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.integration-node{padding:18px 22px;border:1px solid var(--border);border-radius:14px;background:var(--surface);font-weight:800}
.integration-node.active{color:var(--accent);border-color:rgba(36,213,210,.45)}
.integration-line{width:48px;height:2px;background:var(--border)}
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.page-hero{padding:100px 0 60px;background:linear-gradient(180deg,rgba(59,115,255,.07),transparent)}
.product-showcase{align-items:start}
.stack{display:grid;gap:18px}
.mini-feature{display:grid;grid-template-columns:54px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.mini-feature>span{color:var(--accent);font-weight:800}
.check-list{padding:0;margin:24px 0 0;list-style:none;display:grid;gap:12px}
.check-list li:before{content:"✓";color:var(--accent);margin-right:10px}
.architecture-card{display:grid;gap:16px}
.architecture-row{display:flex;justify-content:space-between;padding:18px;border-radius:12px;background:rgba(255,255,255,.03)}
.architecture-row span{color:var(--muted)}
.architecture-row.accent{border:1px solid rgba(36,213,210,.35)}
.architecture-arrow{text-align:center;color:var(--accent);font-size:1.4rem}
.industry-list{display:grid;gap:18px}
.industry-row{display:grid;grid-template-columns:90px 1fr auto;gap:30px;align-items:center;padding:28px;border:1px solid var(--border);border-radius:18px;background:var(--surface)}
.industry-number{color:var(--accent);font-size:1.7rem;font-weight:800}
.industry-row p{color:var(--muted)}
.industry-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.industry-tags span{padding:8px 10px;border-radius:999px;background:rgba(36,213,210,.07);color:var(--accent);font-size:.82rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid label{display:grid;gap:8px}
.form-grid .full{grid-column:1/-1}
input,textarea{width:100%;border:1px solid var(--border);border-radius:10px;background:#081522;color:var(--text);padding:13px 14px;font:inherit}
.validation,small{color:var(--danger)}
.success-message{margin-bottom:18px;padding:14px;border-radius:10px;background:rgba(22,215,176,.1);color:#16d7b0;border:1px solid rgba(22,215,176,.25)}
.error-message {
    margin-bottom: 18px;
    padding: 14px;
    border-radius: 10px;
    background: rgba(255, 108, 122, .1);
    color: #ff6c7a;
    border: 1px solid rgba(255, 108, 122, .25);
}
.cta-band{padding:62px 0;background:linear-gradient(135deg,#102747,#0c1c31);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.cta-content{display:flex;align-items:center;justify-content:space-between;gap:28px}
.site-footer{padding:60px 0 24px;background:rgba(2,6,18);border-top:1px solid rgba(255,255,255,.07)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer-grid>div{display:grid;align-content:start;gap:8px}
.footer-grid a,.muted{color:var(--muted)}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);color:var(--muted)}
@media(max-width:900px){
    .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
    .card-grid.three,.audience-grid{grid-template-columns:1fr 1fr}
    .site-nav{display:none;position:absolute;top:76px;left:20px;right:20px;flex-direction:column;align-items:stretch;padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--surface)}
    .site-nav.open{display:flex}.nav-toggle{display:block;background:transparent;color:var(--text);border:0;font-size:1.6rem}
}
@media(max-width:640px){
    .shell{width:min(100% - 24px,1180px)}
    .hero-actions,.cta-content{align-items:stretch;flex-direction:column}
    .card-grid.three,.audience-grid,.footer-grid,.form-grid{grid-template-columns:1fr}
    .industry-row{grid-template-columns:1fr}.industry-tags{justify-content:flex-start}
}