:root {
    --black: #0e0e0e;
    --white: #ffffff;
    --military-green: #3a5f4b;
    --gray: #cfcfcf;
    --light-gray: #f5f5f5;
}

/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* BASE */
body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: var(--white);
    color: var(--black);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* HEADER */
.header {
    background-color: var(--black);
    color: var(--white);
    text-align: center;
    padding: 3rem 1.5rem;
}

.header h1 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    letter-spacing: 2px;
}

.header p {
    margin-top: 0.8rem;
    font-size: 1.1rem;
    opacity: 0.85;
}

/* NAV */
.nav {
    background-color: var(--black);
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nav a {
    color: var(--white);
    font-weight: 500;
    transition: opacity 0.3s ease;
}

/* MAIN */
.jobs-container {
    width: 90%;
    max-width: 440px; 
    margin: auto;
    padding: 4rem 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

/* VACANTES */
.vacantes {
    border: 1px solid var(--gray);
    padding: 2rem;
}

.vacantes h2 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.vacantes ul {
    list-style: none;
}

.vacantes li {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--gray);
    font-weight: 500;
}

/* FORM */
.form-section {
    border: 1px solid var(--gray);
    padding: 2rem;
}

.form-section h2 {
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}

.job-form {
    display: flex;
    flex-direction: column;
}

.job-form label {
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
    font-weight: 500;
}

.job-form input,
.job-form select,
.job-form textarea {
    padding: 0.6rem;
    margin-bottom: 1.2rem;
    border: 1px solid var(--gray);
    font-size: 0.9rem;
}

.job-form input:focus,
.job-form select:focus,
.job-form textarea:focus {
    outline: none;
    border-color: var(--military-green);
}

/* BOTÓN */
.job-form button {
    background-color: var(--military-green);
    color: var(--white);
    border: none;
    padding: 0.8rem;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.job-form button:hover {
    opacity: 0.85;
}

/* FOOTER */
.jobs-footer {
    background-color: var(--black);
    color: var(--gray);
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.85rem;
}

/* =========================
   E-MOBILE (≤ 440px / 790px height)
========================= */
@media (max-width: 440px) and (max-height: 790px) {

    /* HEADER */
    .header {
        padding: 2.2rem 1.2rem;
    }

    .header h1 {
        font-size: 1.8rem;
        letter-spacing: 1.5px;
    }

    .header p {
        font-size: 0.95rem;
    }

    /* NAV */
    .nav {
        gap: 1.2rem;
        padding: 0.8rem;
        flex-wrap: wrap;
    }

    .nav a {
        font-size: 0.9rem;
    }

    /* MAIN */
    .jobs-container {
        width: 94%;
        padding: 1.8rem 0;
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }

    /* VACANTES */
    .vacantes {
        padding: 1.3rem;
    }

    .vacantes h2 {
        font-size: 1.15rem;
    }

    .vacantes li {
        font-size: 0.85rem;
        padding: 0.5rem 0;
    }

    /* FORM */
    .form-section {
        padding: 1.3rem;
    }

    .form-section h2 {
        font-size: 1.15rem;
    }

    .job-form label {
        font-size: 0.8rem;
    }

    .job-form input,
    .job-form select,
    .job-form textarea {
        font-size: 0.85rem;
        padding: 0.65rem;
        margin-bottom: 1rem;
    }

    /* BOTÓN */
    .job-form button {
        font-size: 0.9rem;
        padding: 0.85rem;
    }

    /* FOOTER */
    .jobs-footer {
        font-size: 0.7rem;
        padding: 1.2rem 1rem;
    }
}