:root{
  --bg: #f4f8ff;
  --panel: #ffffff;
  --panel-2: #eaf2ff;
  --text: #0f1f3a;
  --muted: #4a5d7a;
  --line: rgba(15,31,58,0.12);
  --accent: #3b82f6;
  --accent-2: #2563eb;
  --accent-soft: #dbeafe;
  --shadow: 0 8px 24px rgba(15,31,58,0.08);
  --radius: 14px;
}

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

body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1100px 650px at 15% -10%, rgba(59,130,246,0.12), transparent 55%),
              radial-gradient(900px 520px at 85% 0%, rgba(59,130,246,0.10), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: var(--accent-2); text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--panel);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.skip-link:focus{ left: 20px; z-index: 999; }

.site-header{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.title{
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.2px;
}

.tagline{
  margin: 2px 0 0 0;
  color: var(--muted);
  font-size: 12px;
}

.nav{
  display: flex;
  gap: 10px;
  align-items: center;
}

.nav a{
  padding: 10px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover{
  border-color: var(--line);
  color: var(--accent-2);
  text-decoration: none;
}

.nav-toggle{
  display: none;
  background: white;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
}

.hero{
  padding: 40px 0 26px 0;
}

.hero-inner{
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 18px;
  align-items: stretch;
}

.hero-text{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.hero-text h2{
  margin: 0 0 10px 0;
  font-size: 34px;
  line-height: 1.12;
}

.hero-text p{
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.hero-actions{
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-card{
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.mini-list{
  margin: 10px 0 0 18px;
  color: var(--muted);
}

.section{
  padding: 34px 0;
}

.section.alt{
  background: var(--panel-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section h3{
  margin: 0 0 10px 0;
  font-size: 22px;
}

.lead{
  margin: 0 0 18px 0;
  color: var(--muted);
  font-size: 16px;
}

.grid{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.card{
  grid-column: span 6;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.card h4{
  margin: 0 0 8px 0;
  font-size: 16px;
  color: var(--text);
}

.card p{
  margin: 0;
  color: var(--muted);
}

.split{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
  align-items: start;
}

.highlight{
  background: rgba(219,234,254,0.75);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.list{
  margin: 10px 0 0 18px;
  color: var(--muted);
}

.link{
  display: inline-block;
  margin-top: 12px;
}

.btn{
  display: inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
  text-decoration: none;
}

.btn:hover{
  text-decoration: none;
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.btn-ghost{
  background: white;
  color: var(--accent-2);
  border: 1px solid rgba(37,99,235,0.35);
}

.btn-ghost:hover{
  background: rgba(37,99,235,0.06);
}

.small{
  font-size: 13px;
  color: var(--muted);
}

.contact-grid .card{
  grid-column: span 4;
}

.form{
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

label{
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

input, textarea{
  width: 100%;
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: white;
  color: var(--text);
  outline: none;
}

input:focus, textarea:focus{
  border-color: rgba(37,99,235,0.55);
}

.note{
  margin: 0;
  min-height: 18px;
}

.footer-cta{
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer{
  padding: 22px 0;
}

.footer-inner{
  border-top: 1px solid var(--line);
  padding-top: 16px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .contact-grid .card{ grid-column: span 12; }
  .card{ grid-column: span 12; }
}

@media (max-width: 720px){
  .nav-toggle{ display: inline-flex; }

  .nav{
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    position: absolute;
    right: 20px;
    top: 64px;
    background: rgba(255,255,255,0.97);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px;
    width: min(260px, calc(100vw - 40px));
    box-shadow: var(--shadow);
  }

  .nav.is-open{ display: flex; }

  .nav a{
    color: var(--text);
  }
}