:root{
  --bg:#f4f7fb;
  --surface:#ffffff;
  --surface-2:#eef4fa;
  --text:#17324d;
  --muted:#5d738a;
  --primary:#234f7d;
  --primary-2:#2f6fa4;
  --accent:#4fa0de;
  --line:#d7e2ee;
  --shadow:0 18px 40px rgba(30,60,95,.12);
  --radius:22px;
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top right, rgba(79,160,222,.12), transparent 25%),
    linear-gradient(180deg,#f9fbfe 0%, var(--bg) 100%);
  line-height:1.6;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(var(--container), calc(100% - 32px));margin-inline:auto}

.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(249,251,254,.86);
  border-bottom:1px solid rgba(215,226,238,.75);
}
.nav-wrap{
  min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px
}
.brand img{height:52px}
.site-nav{display:flex;align-items:center;gap:24px}
.site-nav a{font-weight:700}
.site-nav a:hover{color:var(--primary-2)}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--primary);margin:5px 0;border-radius:999px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 20px;border-radius:999px;font-weight:800;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;border:0;box-shadow:var(--shadow)
}
.btn-small{padding:10px 16px}
.btn-secondary{
  background:#fff;color:var(--primary);border:1px solid rgba(35,79,125,.16);box-shadow:none
}

.hero{padding:72px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.eyebrow{
  display:inline-block;padding:8px 12px;border-radius:999px;
  font-size:.84rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;
  color:var(--primary);background:rgba(79,160,222,.12);margin-bottom:18px;
}
h1,h2,h3{line-height:1.1;margin:0 0 14px}
h1{font-size:clamp(2.5rem,5vw,4.4rem)}
h2{font-size:clamp(1.85rem,3vw,2.8rem)}
h3{font-size:1.18rem}
.lead{font-size:1.08rem;color:var(--muted);max-width:62ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0}
.hero-points{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px 18px;padding:0;margin:24px 0 0;list-style:none
}
.hero-points li{
  position:relative;padding-left:28px;font-weight:700;color:var(--text)
}
.hero-points li::before{
  content:"";position:absolute;left:0;top:.42em;width:14px;height:14px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--primary-2));
  box-shadow:0 0 0 4px rgba(79,160,222,.12);
}
.product-card,.viewer-card,.split-visual{
  background:linear-gradient(180deg,#fff,var(--surface-2));
  border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:var(--shadow)
}
.product-card img,.viewer-card img{width:100%;height:auto;object-fit:contain}

.trust-strip{padding:10px 0 26px}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust-grid > div{
  background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:18px;
  padding:18px 16px;box-shadow:0 10px 24px rgba(30,60,95,.06)
}
.trust-grid strong{display:block;font-size:1.35rem;color:var(--primary)}
.trust-grid span{display:block;color:var(--muted)}

.section{padding:82px 0}
.section-alt{
  background:rgba(255,255,255,.56);
  border-top:1px solid rgba(215,226,238,.85);
  border-bottom:1px solid rgba(215,226,238,.85)
}
.section-heading{max-width:760px;margin-bottom:34px}
.section-heading p{color:var(--muted)}

.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:22px;
  padding:24px;box-shadow:0 12px 28px rgba(30,60,95,.07)
}
.card img{width:72px;height:72px;margin-bottom:16px}
.card p{margin:0;color:var(--muted)}

.viewer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:start}
.viewer-controls{display:grid;gap:18px}
.control-box{
  background:var(--surface);border:1px solid var(--line);border-radius:22px;
  padding:22px;box-shadow:0 12px 28px rgba(30,60,95,.07)
}
.choice-row{display:flex;flex-wrap:wrap;gap:10px}
.choice-btn,.angle-btn{
  padding:12px 16px;border-radius:14px;border:1px solid #cfe0ef;background:#f8fbfe;
  color:var(--text);font:inherit;font-weight:800;cursor:pointer
}
.choice-btn.active,.angle-btn.active{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border-color:transparent
}
.control-note{margin:14px 0 0;color:var(--muted)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.steps{padding-left:22px}
.steps li{margin-bottom:12px}
.split-copy p{color:var(--muted)}

.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote-card{
  margin:0;background:linear-gradient(180deg,#fff,#f7fbff);
  border:1px solid var(--line);border-radius:22px;padding:26px;
  box-shadow:0 12px 28px rgba(30,60,95,.07)
}
.quote-card blockquote{margin:0 0 16px;font-size:1.08rem;font-weight:700}
.quote-card figcaption{color:var(--muted)}

.section-cta{padding-top:28px}
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:32px;border-radius:30px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;box-shadow:var(--shadow)
}
.cta-box .eyebrow{background:rgba(255,255,255,.14);color:#fff}
.cta-box .btn{background:#fff;color:var(--primary);box-shadow:none}

.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:start}
.contact-list{padding-left:18px;color:var(--muted)}
.contact-form{
  background:var(--surface);border:1px solid var(--line);
  border-radius:30px;padding:26px;box-shadow:var(--shadow)
}
.form-row{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
label{font-weight:800}
input,textarea{
  width:100%;padding:14px 16px;border-radius:16px;border:1px solid #cfe0ef;
  background:#fbfdff;color:var(--text);font:inherit
}
input:focus,textarea:focus{outline:2px solid rgba(79,160,222,.25);border-color:var(--accent)}

.site-footer{background:#123252;color:#dbe6f1;padding:34px 0 18px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.1fr .7fr .7fr;gap:24px;align-items:start}
.footer-logo{height:52px;width:auto;margin-bottom:14px}
.site-footer h3{margin-bottom:10px;color:#fff}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:8px 0}
.footer-bottom{border-top:1px solid rgba(219,230,241,.12);margin-top:20px;padding-top:16px}

@media (max-width: 980px){
  .hero-grid,.viewer-grid,.split,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .benefit-grid,.quote-grid,.trust-grid{grid-template-columns:repeat(2,1fr)}
  .cta-box{flex-direction:column;align-items:flex-start}
}
@media (max-width: 760px){
  .nav-toggle{display:block}
  .site-nav{
    display:none;position:absolute;top:78px;left:16px;right:16px;
    background:rgba(255,255,255,.98);border:1px solid var(--line);
    border-radius:20px;padding:16px;box-shadow:var(--shadow)
  }
  .site-nav.open{display:flex;flex-direction:column;align-items:flex-start}
  .hero{padding-top:44px}
  .hero-points,.benefit-grid,.quote-grid,.trust-grid{grid-template-columns:1fr}
}