:root {
    --blue: #12395b;
    --green: #2c6e49;
    --light: #f5f7fa;
    --dark: #1f2933;
    --border: #d9e2ec;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.5;
}
header {
    background: var(--primary);
    color: #fff;
    padding: 22px 7%;
}
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.logo {
    font-size: 24px;
    font-weight: 700;
}
nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 18px;
    font-weight: 600;
}
.hero {
    background: #fff;
    padding: 60px 7%;
    text-align: center;
}
.hero h1 {
    font-size: 42px;
    margin: 0 0 15px;
}
.hero p {
    font-size: 18px;
    max-width: 850px;
    margin: 0 auto 25px;
}
.btn, button {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 13px 22px;
    border-radius: 6px;
    border: none;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
}
section {
    padding: 40px 7%;
}
h2 {
    font-size: 30px;
    margin-top: 0;
}
.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 22px;
}
.form-box {
    background: #fff;
    max-width: 850px;
    margin: 0 auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 25px;
}
label {
    display: block;
    font-weight: 700;
    margin-top: 15px;
}
input, select, textarea {
    width: 100%;
    padding: 11px;
    margin-top: 6px;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-size: 15px;
}
textarea { min-height: 110px; }
.price {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}
.notice {
    background: #fff;
    border-left: 5px solid var(--primary);
    padding: 20px;
    max-width: 850px;
    margin: 30px auto;
}
footer {
    background: #e6edf5;
    text-align: center;
    padding: 25px;
    margin-top: 35px;
}
@media (max-width: 900px) {
    .grid { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 32px; }
}
@media (max-width: 600px) {
    .grid { grid-template-columns: 1fr; }
    nav a { display: block; margin: 8px 0 0; }
}