.sf-section {
    position: relative;
    width: 100%;
    min-height: 800px;
    display: flex;
    align-items: center;
    background-color: #fff;
    padding: 100px 8%;
    overflow: hidden;
}

.sf-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center left;
    background-repeat: no-repeat;
    z-index: 1;
}

.sf-container {
    position: relative;
    z-index: 2;
    width: 100%;
}

.sf-content {
    max-width: 550px;
    display: flex;
    flex-direction: column;
}

.sf-title {
    font-family: 'Rubik', sans-serif;
    font-size: 40px;
    font-weight: 700;
    color: #000;
    line-height: 1.1;
    margin: 0 0 15px;
    letter-spacing: -1px;
}

.sf-subtitle {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 18px;
    font-weight: 700;
    color: #000;
    line-height: 1.4;
    margin: 0 0 50px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.sf-steps {
    display: flex;
    flex-direction: column;
}

.sf-step {
    padding: 25px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.sf-step:last-child {
    border-bottom: 1px solid rgba(0, 0, 0, 0.08); /* Optional: based on mockup */
}

.sf-step-header {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-step-description {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 16px;
    font-weight: 400;
    color: rgba(0, 0, 0, 0.6);
}

/* Response */
@media (max-width: 1100px) {
    .sf-title { font-size: 40px; }
    .sf-section { min-height: 700px; padding: 80px 5%; }
}

@media (max-width: 900px) {
    .sf-section {
        min-height: auto;
        padding: 60px 7%;
        flex-direction: column;
    }
    
    .sf-bg {
        position: relative;
        height: 400px;
        order: 2;
        background-position: right;
        margin-top: 40px;
        width: 120%;
    }
    
    .sf-content {
        max-width: 100%;
        order: 1;
    }
}

@media (max-width: 600px) {
    .sf-title { font-size: 36px; }
    .sf-subtitle { font-size: 15px; }
}