/* Oseloke Inc — main.css (light, clean, reusable) */

:root{
  --bg:#ffffff;
  --ink:#1a1a1a;
  --muted:#5a5a5a;
  --brand:#1F4E79;
  --brand2:#0f3658;
  --line:#e6e6e6;
  --card:#f7f9fc;
  --accent:#eaf2fb;
  --ok:#1f7a3a;
  --warn:#a86b00;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --radius: 16px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.5;
}

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

.container{
  width:min(1100px, 92vw);
  margin:0 auto;
}

.topbar{
  background:linear-gradient(90deg, var(--brand), var(--brand2));
  color:#fff;
}

.topbar .bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 0;
  gap:16px;
}

.brand{
  display:flex;
  flex-direction:column;
  gap:4px;
  min-width: 220px;
}
.brand .name{
  font-weight:800;
  letter-spacing:.2px;
  font-size:22px;
}
.brand .tagline{
  font-size:13px;
  opacity:.92;
}

.nav{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

.nav a{
  color:#fff;
  font-weight:600;
  font-size:14px;
  padding:8px 10px;
  border-radius:10px;
  opacity:.95;
}
.nav a:hover{
  background:rgba(255,255,255,.12);
  text-decoration:none;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  padding:10px 14px;
  border-radius:12px;
  font-weight:700;
  cursor:pointer;
  box-shadow:none;
}
.btn:hover{ box-shadow:var(--shadow); text-decoration:none; }

.btn-primary{
  border-color:transparent;
  background:var(--brand);
  color:#fff;
}
.btn-primary:hover{
  background:var(--brand2);
}

.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.10);
}

.hamburger{
  display:none;
  background:transparent;
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
  border-radius:12px;
  padding:10px 12px;
  cursor:pointer;
  font-weight:800;
}

.hero{
  padding:42px 0 26px;
  background: radial-gradient(1000px 500px at 20% 0%, var(--accent), transparent);
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:24px;
  align-items:start;
}
.hero h1{
  margin:0 0 10px;
  font-size:44px;
  line-height:1.1;
  letter-spacing:-.6px;
}
.hero p{
  margin:0 0 18px;
  color:var(--muted);
  font-size:18px;
}
.hero .cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:10px;
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:none;
}
.card h3{
  margin:0 0 10px;
  font-size:18px;
  color:var(--brand);
}
.card p{ margin:0; color:var(--muted); }

.section{
  padding:26px 0;
}
.section h2{
  margin:0 0 14px;
  font-size:26px;
  letter-spacing:-.2px;
}
.section p{
  margin:0 0 10px;
  color:var(--muted);
}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.grid-2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:14px;
}

.kicker{
  display:inline-block;
  font-weight:800;
  color:var(--brand);
  letter-spacing:.2px;
  font-size:13px;
  text-transform:uppercase;
  margin-bottom:10px;
}

.pills{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:10px;
}
.pill{
  border:1px solid var(--line);
  background:#fff;
  padding:8px 10px;
  border-radius:999px;
  font-weight:700;
  font-size:13px;
  color:var(--muted);
}

.hr{
  height:1px;
  background:var(--line);
  margin:18px 0;
}

.list{
  margin:10px 0 0;
  padding-left:18px;
  color:var(--muted);
}
.list li{ margin:6px 0; }

.price-box{
  background: linear-gradient(180deg, #ffffff, #f3f8ff);
  border:1px solid #d9e7fb;
  border-radius:var(--radius);
  padding:18px;
}
.price{
  font-size:34px;
  font-weight:900;
  color:var(--brand);
  margin:6px 0 8px;
}
.small{
  font-size:13px;
  color:var(--muted);
}

.footer{
  padding:26px 0;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:14px;
}
.footer a{ color:var(--brand); font-weight:700; }
.footer-row{
  display:flex;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
}

.notice{
  background:#fff7e6;
  border:1px solid #ffe1a8;
  color:#5c3b00;
  padding:12px 14px;
  border-radius:14px;
  font-weight:600;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius:12px;
  background:#fff;
  border:1px solid var(--line);
  font-weight:800;
  color:var(--brand);
}

@media (max-width: 900px){
  .hero-grid{ grid-template-columns:1fr; }
  .grid-3{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }

  .hamburger{ display:inline-flex; margin-left:auto; }
  .nav{
    display:none;
    width:100%;
    margin-top:12px;
    padding-top:12px;
    border-top:1px solid rgba(255,255,255,.22);
  }
  .nav.open{ display:flex; }
  .nav a{ width:auto; }
}