:root{
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #0b1220;
  --muted: rgba(11, 18, 32, .68);
  --border: rgba(15, 23, 42, .10);
  --shadow: 0 10px 30px rgba(2, 6, 23, .10);
  --shadow-soft: 0 6px 18px rgba(2, 6, 23, .08);
  --radius: 24px;
  --radius-sm: 16px;

  --primary: #1677ff;
  --primary-ink: #ffffff;

  --maxw: 1120px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body{
  margin: 0;
  background: radial-gradient(1200px 600px at 30% -10%, rgba(22,119,255,.12), transparent 60%),
              radial-gradient(1000px 600px at 80% 0%, rgba(111,66,193,.10), transparent 55%),
              var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.5;
}

h1,h2,h3{
  font-family: "Space Grotesk", Inter, system-ui, sans-serif;
  letter-spacing: -0.02em;
  margin: 0 0 .35em;
}

p{ margin: 0 0 1em; color: var(--muted); }
a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }
img{ max-width: 100%; height: auto; display: block; }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* Layout */
.container{
  width: min(var(--maxw), calc(100% - 48px));
  margin: 0 auto;
}

.row{
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.col-6{ flex: 1 1 calc(50% - 12px); min-width: 280px; }
.col-4{ flex: 1 1 calc(33.333% - 16px); min-width: 220px; }
.col-8{ flex: 2 1 calc(66.666% - 16px); min-width: 280px; }
.col-12{ flex: 1 1 100%; }

/* Spacing helpers */
.no-padding{ padding: 0 !important; }
.less-padding{ padding: 28px 0; }
.section{ padding: 44px 0; }
.padded{ padding: 28px; }
.narrow{ max-width: 760px; margin: 0 auto; }
.text-center{ text-align: center; }

/* Cards / boxes */
.box{
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.rounded{ border-radius: var(--radius); }

.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(10px);
  color: rgba(11, 18, 32, .75);
  font-size: 14px;
}

/* Buttons */
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.9);
  color: var(--text);
  font-weight: 650;
  text-decoration: none !important;
  box-shadow: 0 1px 0 rgba(2,6,23,.05);
}

.button:hover{
  box-shadow: 0 10px 30px rgba(2,6,23,.10);
  transform: translateY(-1px);
}

.button.suggested{
  background: linear-gradient(135deg, var(--primary), #4aa3ff);
  border-color: rgba(22,119,255,.25);
  color: var(--primary-ink);
}

.learn-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color: rgba(11, 18, 32, .86);
  font-weight: 650;
  text-decoration: none !important;
}

.learn-more::after{
  content: "→";
  opacity: .7;
}

.learn-more:hover{ text-decoration: underline !important; }

/* Header / nav */
header{ position: sticky; top: 0; z-index: 100; }

nav#main{
  border-bottom: 1px solid rgba(15,23,42,.08);
  background: rgba(245,247,251,.72);
  backdrop-filter: blur(16px);
}

nav#main .container{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
}

.logotype{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logotype img{ width: 28px; height: 28px; }

ul.menu{
  list-style:none;
  display:flex;
  gap: 18px;
  padding:0;
  margin:0;
  align-items:center;
}

ul.menu a{
  padding: 10px 12px;
  border-radius: 999px;
  color: rgba(11, 18, 32, .80);
  font-weight: 600;
  text-decoration:none;
}

ul.menu a:hover{
  background: rgba(255,255,255,.65);
  text-decoration:none;
}

ul.menu a[aria-current="page"]{
  background: rgba(22,119,255,.10);
  color: rgba(11, 18, 32, .92);
}

.responsive{ display:none; }

/* Mobile nav */
@media (max-width: 840px){
  ul.menu{ display:none; }
  ul.menu.open{
    display:flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 6px;
    margin-top: 10px;
    padding: 10px;
    background: rgba(255,255,255,.8);
    border: 1px solid var(--border);
    border-radius: 18px;
  }

  nav#main .container{
    flex-wrap: wrap;
  }

  .responsive{ display:block; }
  .responsive .button{ width: 100%; }
}

/* Footer */
footer{
  padding: 46px 0;
  margin-top: 36px;
  border-top: 1px solid rgba(15,23,42,.08);
  background: rgba(245,247,251,.65);
  backdrop-filter: blur(16px);
}

.footer-grid .menu{ display:block; }
.footer-grid .menu li{ margin: 10px 0; }
.footer-heading{
  font-weight: 800;
  color: rgba(11,18,32,.90);
  margin-bottom: 10px;
}

.legal{
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid rgba(15,23,42,.08);
  color: rgba(11,18,32,.65);
  font-size: 14px;
}

.social{
  display:flex;
  gap: 10px;
  margin-top: 10px;
}

.social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.75);
}

.social a:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(2,6,23,.10);
}