:root{--biru:#0b4da2;--biru-tua:#08306b;--hijau:#1fa855;--teks:#1b2430;--latar:#eef2f7}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--latar);color:var(--teks);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:480px;margin:0 auto;background:#fff;padding-bottom:88px}
main img{display:block;width:100%;height:auto}
.pesan{padding:24px 20px 8px;scroll-margin-top:12px}
.pesan h2{margin:0 0 16px;color:var(--biru);font-size:1.25rem;text-align:center}
.pesan label{display:block;font-weight:600;margin:0 0 14px}
.pesan small{font-weight:400;color:#5b6675}
.pesan input{display:block;width:100%;margin-top:6px;padding:14px 12px;font:inherit;font-size:17px;border:1.5px solid #c5cfdc;border-radius:10px;background:#fff}
.pesan input:focus{outline:3px solid #9cc0f5;border-color:var(--biru)}
.pesan button{width:100%;padding:16px;border:0;border-radius:12px;background:var(--hijau);color:#fff;font:inherit;font-size:18px;font-weight:700;cursor:pointer}
.pesan button:active{transform:translateY(1px)}
.galat{background:#fde8e8;color:#9b1c1c;border-radius:8px;padding:10px 12px;margin:0 0 14px}
.privasi{font-size:13px;color:#5b6675;text-align:center;margin:12px 0 0}
.privasi a{color:var(--biru)}
.tetap{position:fixed;left:50%;bottom:12px;transform:translateX(-50%);width:min(456px,calc(100% - 24px));padding:15px;border-radius:12px;background:var(--hijau);color:#fff;text-align:center;font-weight:700;text-decoration:none;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.teks{padding:24px 20px}
.teks h1{color:var(--biru);font-size:1.4rem}