* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial;

    /* uklanja plavi tap highlight */
    -webkit-tap-highlight-color: transparent;
}

body {
    background: #0f1115;
    color: white;
}

/* HERO */
.hero {
    background: linear-gradient(135deg, #000, #1c2230);
    text-align: center;
    padding: 80px 20px;
}

.hero h1 {
    font-size: 44px;
}

.hero p {
    opacity: 0.8;
    margin-top: 10px;
}

.badge {
    background: #25D366;
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    margin-bottom: 15px;
}

/* CTA */
.cta {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 18px;
    border-radius: 10px;
    text-decoration: none;
    color: white;
}

.blue { background: #007BFF; }
.green { background: #25D366; }

/* LAYOUT */
.container {
    max-width: 1000px;
    margin: auto;
    padding: 50px 20px;
}

h2 {
    text-align: center;
    margin-bottom: 25px;
}

/* GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

/* CARD (MOBILE APP STYLE) */
.card {
    position: relative;
    overflow: hidden;

    background: #1a1d25;
    padding: 25px;
    border-radius: 16px;
    text-align: center;

    cursor: pointer;
    transition: 0.2s ease;
    transform: translateZ(0);

    /* nema outlinea */
    outline: none;

    /* smooth touch feel */
    -webkit-user-select: none;
    user-select: none;
}

.card:hover {
    transform: translateY(-6px);
    background: #232a3a;
}

/* TAP EFFECT */
.card:active {
    transform: scale(0.96);
}

/* TEXT */
.card span {
    display: block;
    margin-top: 10px;
    color: #25D366;
    font-weight: bold;
}

.card small {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    opacity: 0.6;
}

/* RIPPLE EFFECT */
.card::after {
    content: "";
    position: absolute;
    width: 0;
    height: 0;
    top: 50%;
    left: 50%;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease, opacity 0.6s;
    opacity: 0;
}

.card:active::after {
    width: 300px;
    height: 300px;
    opacity: 1;
}

/* CONTACT */
.contact {
    text-align: center;
}

.contact a {
    color: #25D366;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    background: #0a0c10;
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    color: black;
    padding: 25px;
    border-radius: 14px;
    width: 90%;
    max-width: 520px;
}

.close {
    float: right;
    font-size: 22px;
    cursor: pointer;
}

/* FORM */
.form {
    max-width: 500px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form select,
.form input,
.form textarea {
    padding: 12px;
    border-radius: 10px;
    border: none;
    outline: none;
}

.form textarea {
    min-height: 100px;
}

.form button {
    padding: 12px;
    border: none;
    border-radius: 10px;
    background: #25D366;
    color: white;
    font-weight: bold;
    cursor: pointer;
}