:root{
  --brand:#1e5aa6;
  --text:#0b1b2a;
  --muted:#5b6773;
  --bg:#ffffff;
  --card:#ffffff;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --radius: 16px;
}

*{box-sizing:border-box}

body{
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  color:var(--text);
  background:var(--bg);
}

a{
  color:var(--brand);
  text-decoration:none;
}

a:focus{
  outline:3px solid rgba(30,90,166,.35);
  outline-offset:3px;
}

.container{
  width:min(1180px, calc(100% - 40px));
  margin:0 auto;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#fff;
  border-bottom:1px solid rgba(0,0,0,.06);
  padding:18px 0;
}

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

.brand{
  display:flex;
  align-items:flex-end;
  flex-shrink:0;
}

.brand-logo{
  display:block;
  height:200px;
  width:auto;
  max-width:560px;
}

/* Navigation */
.nav{
  display:flex;
  align-items:center;
}

.nav .menu,
.nav .menu ul{
  list-style:none;
  margin:0;
  padding:0;
}

.nav .menu{
  display:flex;
  align-items:center;
  gap:34px;
}

.nav .menu > li{
  position:relative;
}

.nav .menu > li > a{
  display:block;
  color:#0d2235;
  font-weight:500;
  text-transform:uppercase;
  letter-spacing:.5px;
  padding:12px 0;
}

.nav .menu > li > a:hover,
.nav .menu > li > a:focus{
  color:var(--brand);
}

/* Submenu */
.nav .menu .sub-menu{
  display:none;
  position:absolute;
  top:100%;
  left:0;
  min-width:260px;
  background:#fff;
  border-radius:14px;
  box-shadow:0 12px 28px rgba(0,0,0,.12);
  padding:10px 0;
  z-index:1001;
}

.nav .menu .sub-menu li{
  width:100%;
}

.nav .menu .sub-menu a{
  display:block;
  padding:12px 18px;
  color:#0d2235;
  font-weight:500;
  text-transform:none;
  letter-spacing:0;
  white-space:nowrap;
}

.nav .menu .sub-menu a:hover,
.nav .menu .sub-menu a:focus{
  background:#f3f7fb;
  color:var(--brand);
}

/* Pokazanie submenu */
.nav .menu li:hover > .sub-menu,
.nav .menu li:focus-within > .sub-menu{
  display:block;
}

/* Strzałka przy elemencie z submenu */
.nav .menu .menu-item-has-children > a::after{
  content:" ▾";
  font-size:12px;
}

/* Hero */
.hero{
  background:linear-gradient(90deg, #ffffff 0%, #ffffff 52%, #eef3f7 100%);
  padding:26px 0 10px;
}

.hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:24px;
  align-items:stretch;
  min-height:520px;
}

.hero-left{
  padding:70px 0 30px;
}

.kicker{
  margin:0 0 22px;
  text-transform:uppercase;
  letter-spacing:2px;
  color:#1c3957;
  font-size:34px;
  line-height:1.25;
}

.hero-title{
  margin:0 0 26px;
  font-size:72px;
  line-height:1.0;
  letter-spacing:1px;
  color:#0f2e46;
}

.btn{
  display:inline-block;
  background:linear-gradient(180deg, #2a76d6, #1e5aa6);
  color:#fff;
  padding:16px 26px;
  border-radius:14px;
  font-weight:700;
  box-shadow:0 10px 18px rgba(30,90,166,.22);
}

.hero-right{
  border-radius:22px;
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
  overflow:hidden;
}

/* Cards */
.cards{
  padding:18px 0 70px;
}

.cards-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:26px;
  margin-top:-60px;
}

.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:26px 28px;
  min-height:180px;
}

.card h2{
  margin:0 0 12px;
  font-size:34px;
  letter-spacing:1px;
  color:#0f2e46;
}

.card p{
  margin:0 0 14px;
  color:#243645;
  font-size:20px;
  line-height:1.4;
}

.card-link{
  font-weight:700;
}

/* Footer */
.site-footer{
  border-top:1px solid rgba(0,0,0,.06);
  padding:24px 0;
}

.footer-inner{
  display:flex;
  justify-content:space-between;
  gap:20px;
  align-items:flex-start;
}

.footer-block{
  line-height:1.6;
}

.muted{
  color:var(--muted);
  font-size:14px;
}

/* Pages */
.page-pad{
  padding:48px 0 70px;
}

.page-title{
  margin:0 0 18px;
  font-size:40px;
  letter-spacing:.5px;
  color:#0f2e46;
}

.prose{
  font-size:18px;
  line-height:1.7;
  color:#243645;
}

.prose p{
  margin:0 0 14px;
}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px;
}

.contact-card h2{
  font-size:26px;
  margin:0 0 10px;
}

/* Responsive */
@media (max-width: 980px){
  .site-header{
    position:static;
  }

  .header-inner{
    flex-direction:column;
    align-items:flex-start;
  }

  .brand-logo{
    height:120px;
    max-width:360px;
  }

  .nav{
    width:100%;
  }

  .nav .menu{
    gap:18px;
    flex-wrap:wrap;
    justify-content:flex-start;
  }

  .nav .menu .sub-menu{
    position:static;
    display:block;
    min-width:unset;
    box-shadow:none;
    border-radius:0;
    padding:6px 0 0 16px;
    background:transparent;
  }

  .nav .menu .sub-menu a{
    padding:8px 0;
    white-space:normal;
  }

  .hero-inner{
    grid-template-columns:1fr;
    min-height:auto;
  }

  .hero-left{
    padding:30px 0 10px;
  }

  .hero-right{
    min-height:300px;
  }

  .hero-title{
    font-size:48px;
  }

  .kicker{
    font-size:24px;
  }

  .cards-grid{
    grid-template-columns:1fr;
    margin-top:16px;
  }

  .footer-inner{
    flex-direction:column;
  }

  .contact-grid{
    grid-template-columns:1fr;
  }
}