/* Global styles for Ohm7 */

/* Body + general look */
body {
    font-family: Inter, Arial, Helvetica, sans-serif;
    background: #f3f6fb;
    margin: 0;
    padding: 0;

    background-image: url('/assets/img/Electronics_Background.png');
    background-size: cover;        /* fills screen */
    background-attachment: fixed;  /* parallax effect */
    background-repeat: no-repeat;
    background-position: center;
    backdrop-filter: blur(0px);    /* optional */
}

/* Navigation header */
.nav {
    background: #0b5cff;
    padding: 16px 20px;
    color: #fff;
    box-shadow: 0 3px 14px rgba(0, 0, 0, 0.12);
}

.nav-container {
    max-width: 1000px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav a {
    color: #fff;
    margin-left: 16px;
    font-weight: 600;
    text-decoration: none;
}

.nav a:hover {
    text-decoration: underline;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
}

/* Main card layout */
.card {
    max-width: 860px;
    margin: 30px auto;
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 6px 24px rgba(20, 30, 60, 0.08);
}

h2 {
    text-align: center;
}

label {
    display: block;
    font-weight: 600;
    margin-top: 12px;
}

input,
select {
    width: 100%;
    box-sizing: border-box;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    margin-top: 6px;
    background: #fff;
    font-size: 1rem;
}

button {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    border: none;
    background: #0b5cff;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

#result {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    background: #f1f5f9;
}

/* Grid layouts */
.row,
.grid2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    align-items: start;
}

.row>div,
.grid2>div {
    display: flex;
    flex-direction: column;
}

.small {
    font-size: 0.9rem;
    color: #334155;
}

.muted {
    color: #64748b;
    font-size: 0.9rem;
}

@media (max-width: 520px) {

    .row,
    .grid2 {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

.about {
    max-width: 900px;
    margin: 40px auto;
    padding: 20px;
    line-height: 1.7;
}

.about h2 {
    margin-bottom: 15px;
    color: #0056d2;
}