:root{
  --bg:#ffffff;
  --text:#0b0f14;
  --muted:#5b6675;
  --border:#e7ebf0;

  /* Brand */
  --accent:#2F6FED;      /* primary CTA / links */
  --accent-soft:#5C7C89; /* secondary (subtle) */

  --card:#f7f9fc;
  --radius:16px;
  --shadow:0 10px 24px rgba(11,15,20,.06);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  color:var(--text);
  line-height:1.5;

  /* breathing room so content doesn't hide behind sticky CTA (mobile) */
  padding-bottom:72px;
  overflow-x:hidden;
}

@media(min-width:840px){
  body{ padding-bottom:0; }
}

a{ color:inherit; text-decoration:none; }

a.link{
  color:var(--accent);
  font-weight:800;
}
a.link:hover{ text-decoration:underline; }

.container{max-width:1100px; margin:0 auto; padding:24px}

/* Nav */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; gap:16px}

.brand{font-weight:800; letter-spacing:.2px}
.brand small{
  display:block;
  color:var(--accent-soft);
  opacity:.95;
  font-weight:650;
  font-size:12px;
  margin-top:2px
}

.links{display:flex; gap:14px; align-items:center}
.links a{padding:10px 10px; border-radius:12px; color:var(--muted); font-weight:650}
.links a:hover{background:var(--card); color:var(--text)}

/* Hide header CTA on mobile to prevent wrapping; sticky CTA handles conversions */
.nav-cta{ white-space:nowrap; }
@media (max-width: 839px){
  .nav-cta{ display:none; }
}

/* Buttons (premium) */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;

  padding:12px 16px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;

  font-weight:800;
  letter-spacing:.2px;
  line-height:1;

  transition: transform .08s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}

.btn:hover{
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.btn:active{
  transform: translateY(0);
  box-shadow: none;
}

.btn.primary{
  background: var(--accent);
  border-color: var(--accent);
  color:#fff;
}

.btn.primary:hover{
  box-shadow: 0 14px 30px rgba(47,111,237,.18);
}

.btn.primary:active{
  box-shadow: 0 8px 18px rgba(47,111,237,.12);
}

.btn:focus-visible{
  outline: 3px solid rgba(47,111,237,.28);
  outline-offset: 2px;
}

/* Hero */
.hero{padding:34px 0 18px}
h1{font-size:36px; line-height:1.12; margin:10px 0 10px}
.lead{color:var(--muted); font-size:18px; margin:0 0 18px}
.cta-row{display:flex; gap:12px; flex-wrap:wrap; margin:14px 0 0}
.micro-note{
  margin:10px 0 0;
  color:var(--muted);
  font-weight:700;
  font-size:14px;
}

@media(min-width:840px){
  h1{font-size:48px}
}

/* Layout */
.grid{display:grid; gap:14px}
@media(min-width:840px){
  .grid.two{grid-template-columns:1fr 1fr}
  .grid.three{grid-template-columns:repeat(3,1fr)}
}

/* Cards */
.card{
  border:1px solid var(--border);
  background:#fff;
  border-radius:var(--radius);
  padding:16px;
}
.card.soft{
  background: var(--card);
  border-color: rgba(92,124,137,.18); /* accent-soft, subtle */
}

.card img{
  display:block;
  width:100%;
  height:auto;
}

.device-card{
  border:1px solid rgba(92,124,137,.18);
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
  border-radius: 22px;
  padding: 14px;
  box-shadow: 0 18px 40px rgba(11,15,20,.06);
}

.device-shot{
  display:block;
  width:100%;
  height:auto;
  border-radius: 16px;
}


/* Sections */
.section{padding:22px 0}
.section h2{font-size:22px; margin:0 0 10px}
.section .sub{color:var(--muted); margin:0 0 14px}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color: var(--accent-soft);
  font-weight:800;
  font-size:13px;
}

.hr{border:none; border-top:1px solid var(--border); margin:22px 0}

.footer{padding:30px 0; color:var(--muted); font-size:14px}
.footer a{color:var(--muted); text-decoration:underline}

/* FAQ */
.faq details{
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:14px 16px;
  background:#fff;
}
.faq summary{
  cursor:pointer;
  font-weight:750;
}
.faq p{color:var(--muted); margin:10px 0 0}

/* Forms */
form{display:grid; gap:10px}
input, textarea, select{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  font:inherit;
}
textarea{min-height:130px; resize:vertical}
small.note{color:var(--muted)}

/* Premium sticky CTA strip (mobile only) */
.sticky-cta{
  position:fixed;
  left:0; right:0; bottom:0;
  padding:10px 12px;
  background:rgba(255,255,255,.92);
  border-top:1px solid rgba(92,124,137,.22); /* accent-soft */
  backdrop-filter:saturate(180%) blur(10px);
  display:flex;
  gap:10px;
}

.sticky-cta .btn{
  flex:1;
  padding:13px 14px;
  font-weight:800;
}

@media (max-width: 960px){
  .nav-cta{ display:none; }
}

@media (max-width: 380px){
  .links{ gap:8px; }
  .links a{ padding:10px 8px; }
}