/* ===== Reset ===== */
* {margin:0; padding:0; box-sizing:border-box; font-family:'Tahoma', sans-serif;}
body {background: linear-gradient(135deg,#f0f2f5,#d9e2f3); color:#333;}

/* ===== Header ===== */
header {
    background:#1a73e8;
    color:#fff;
    padding:16px 20px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    position:sticky;
    top:0;
    z-index:100;
    flex-wrap:wrap;
    box-shadow:0 4px 10px rgba(0,0,0,.15);
}
.brand {display:flex; align-items:center; gap:12px;}
.brand img {width:60px; height:60px; border-radius:50%; background:#fff; padding:5px;}
.brand-text h1 {font-size:1.6em;}
.brand-text span {font-size:.9em; opacity:.9;}

/* ===== Navigation ===== */
nav {display:flex; gap:10px; flex-wrap:wrap;}
nav a {
    color:#fff;
    text-decoration:none;
    background:rgba(255,255,255,.15);
    padding:10px 16px;
    border-radius:14px;
    display:flex;
    flex-direction:column;
    align-items:center;
    font-size:12px;
    transition:.3s;
}
nav a i {font-size:18px; margin-bottom:4px;}
nav a:hover {background:#1558b0;}

/* ===== Container ===== */
.container {max-width:1000px; margin:60px auto; padding:0 16px;}
.container h2 {margin-bottom:40px; color:#1a73e8; text-align:center; font-size:2.2em;}
.container p {text-align:center; font-size:16px; margin-bottom:40px;}

/* ===== Features ===== */
.features {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:25px;
}
.feature {
    background:#fff;
    padding:30px;
    border-radius:20px;
    text-align:center;
    box-shadow:0 15px 30px rgba(0,0,0,.1);
    transition:all .3s ease;
}
.feature i {font-size:32px; color:#1a73e8; margin-bottom:12px;}
.feature h4 {margin-bottom:8px; color:#1a73e8;}
.feature p {font-size:15px; color:#555;}
.feature:hover {transform:translateY(-5px); box-shadow:0 20px 40px rgba(0,0,0,.15);}

/* ===== CTA ===== */
.cta {
    margin-top:50px;
    background:#1a73e8;
    color:#fff;
    padding:40px 20px;
    border-radius:28px;
    text-align:center;
}
.cta h3 {font-size:1.6em; margin-bottom:25px;}
.cta button {
    background:#ffb400;
    border:none;
    padding:14px 36px;
    border-radius:50px;
    font-size:1.1em;
    font-weight:bold;
    color:#fff;
    cursor:pointer;
    transition:.3s;
}
.cta button:hover {background:#ffa000;}

/* ===== Fixed Contact ===== */
.fixed-contact {
    position:fixed;
    bottom:18px;
    right:18px;
    display:flex;
    flex-direction:column;
    gap:12px;
}
.fixed-contact a {
    width:56px; height:56px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:26px; color:#fff;
}
.fixed-contact .wa {background:#25d366;}
.fixed-contact .call {background:#1a73e8;}

/* ===== Footer ===== */
footer {
    background:#1a73e8;
    color:#fff;
    text-align:center;
    padding:25px 10px;
    font-size:14px;
    margin-top:50px;
}

/* ===== Responsive ===== */
@media(max-width:768px){
    nav {
        position:fixed;
        bottom:0;
        left:0;
        right:0;
        justify-content:space-around;
        padding:12px 0;
        border-radius:20px 20px 0 0;
        background:#1a73e8;
    }
    header {justify-content:center;}
    body {padding-bottom:80px;}
}